Document ID: EPA-HQ-OPP-2007-0504-0008
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2010-09-15T04:00Z

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

WASHINGTON D.C., 20460

	

MEMORANDUM

	  PC Code: 125851

  DP Barcode:  D341496

					     June 7, 2010

SUBJECT:	Environmental Fate and Ecological Risk Assessment for the
Section 3 New Uses of Isoxaben on Bearing Nut Trees and Vineyards

TO:		Bethany Benbow, Product Review Manager

Kathryn Montague, Product Manager  

Registration Division (7505P)

	

FROM:	Brian Kiernan, Biologist

Charles Peck, Environmental Engineer

		Environmental Risk Branch IV

		Environmental Fate and Effects Division (7507P)

REVIEWED

BY:		Thomas Steeger, Ph.D., Senior Biologist

		R. David Jones, Ph.D., Senior Agronomist

		Environmental Risk Branch IV

		Environmental Fate and Effects Division (7507P)

APPROVED

BY:		Mark Corbin, Acting Branch Chief

		Environmental Risk Branch IV

		Environmental Fate and Effects Division (7507P)

I.  Executive Summary

	Dow AgroSciences is seeking registration for a new use of the active
ingredient isoxaben (PC Code 125851) as the sole active ingredient in
the herbicidal end use product FN-3133 (Reg. No. 62719-LIN). 
Registration is being requested nationally for pre-emergent control of
broadleaf weeds in bearing nut trees (e.g., almonds, beech nut, Brazil
nut, butternut, cashew, chinquan, filbert, hickory nut, macadamia nut,
pecan, pistachio, and walnuts) and grapes.  There are currently twelve
Section 3 registrations based on isoxaben as the active ingredient (ai).
 There are no current food-use registrations.  The proposed method of
application evaluated for this assessment is ground spray but the label
is not explicit.  The proposed maximum single application rate is 1.0 lb
ai/A.  FN-3133 may not be applied more than twice per crop year up to a
maximum total of 1.0 lb ai/A per crop year.  No reapplication interval
is specified on the label. 

Conclusions – Exposure Characterization

Isoxaben is moderately persistent and mobile (Kd = 0.81 to 6.63 mL/g). 
The mobility of isoxaben may decrease with increasing soil clay content
and cation exchange capacity (CEC), although not significantly enough to
consider isoxaben bound to soil or sediments.  The compound may
represent a ground water concern when applied to certain soils and/or
where high water tables (shallow ground waters) are present (i.e. less
than one foot below grade) and high rainfall/ irrigation occurs. 

	Isoxaben does not hydrolyze and does not appear to readily degrade in
terrestrial environments.  Primary routes of degradation appear to be
biodegradation in aerobic and anaerobic water bodies and photolysis in
shallow, clear water bodies.  

	Four major degradates detected in laboratory biometabolism studies
include: hydroxyisoxaben; dimethoxybenzamide; methoxyphenylpyrimidinol
and AEM hexenoylisoxaben.  Four minor degradates identified include: 
hydroxymethoxybenzamide; oxypropyl isoxaben; desmethyl isoxaben and
methoxyphenyl pyrimidinol.  One available mobility study and an EPISuite
analysis indicate that several of these isoxaben degradates are more
mobile than the parent.  The four major degradates identified above are
included in aquatic estimated environmental concentrations using a total
toxic residues approach.

Conclusions – Effects Characterization

Consistent with isoxaben’s intended use as a herbicide, the compound
is toxic to aquatic and terrestrial plants.  Isoxaben is practically
nontoxic to aquatic and terrestrial animal species on an acute exposure
basis.  Sublethal effects (abnormal larvae) were noted in an acute
estuarine/marine invertebrate study with clams, but no data are
available on the chronic effect of isoxaben on estuarine/marine species.
 No effects from chronic exposure were observed in studies with
freshwater species.  Chronic effects on the growth and reproduction of
birds and mammals were reported in the available toxicity studies.  

The four major degradates identified in the exposure characterization
are considered to be as toxic as the parent compound based on their
structural similarity and are included in estimates of total toxic
residues.

	Potential Risks to Non-target Organisms

Isoxaben is moderately persistent and combined with its potential
chronic effects, the proposed use of the compound the proposed use of
isoxaben on grapes and bearing nut trees has the potential to adversely
affect the growth of birds, terrestrial-phase amphibians, reptiles and
mammals from chronic exposure.  Depending on soil conditions and
weather, isoxaben can move to surface water via spray drift, direct
runoff or through runoff of sediment-bound residues.  Estimated
concentrations in water are considered likely to adversely affect
aquatic plant growth and this could significantly impair primary
productivity.  Impaired primary productivey could in turn lead to
decreased water quality and reduced forage for aquatic biota and result
in secondary effects across a broad range of aquatic animals.  Acute and
chronic risk estimates for direct effects on aquatic animals are below
levels of concern; however, there is uncertainty regarding the extent to
which secondary effects from decreased primary productivity will impact
the aquatic community.  

Additonally, growth of nontarget aquatic and terrestrial plants is
expected to be adversely affected.  Because there is differential
toxicity across the species of plants in the available studies, it is
possible that this could lead to shifts in nontarget plant communities
exposed to isoxaben.  Changes in plant communities, which provide
habitat, food and are primary producers in ecosystems, can lead to
indirect effects to terrestrial organisms.

Potential effects to federally-listed endangered and threatened species
(listed species) based on exceedances of Agency Levels of Concern (LOCs)
require an in-depth listed species evaluation to determine the extent of
potential co-occurrence of listed species and the areas in which use is
proposed on grapes and bearing nut trees .  Identified potential risks
to listed species are summarized in Table 1.  Listed terrestrial plants
may be directly affected by isoxaben use, and indirect effects on other
listed species are possible. 

Table 1.  Potential Listed Species Risks Associated with Direct or
Indirect Effects Due to the Proposed Application of Isoxaben on Bearing
Nut trees and Grapes.

Listed Taxon	Direct Effects	Indirect Effects

Terrestrial and semi-aquatic plants - monocots	Yes	Yes1

Terrestrial and semi-aquatic plants - dicots	Yes	Yes1

Birds	Yes	Yes1

Terrestrial-phase amphibians	Yes	Yes1

Terrestrial invertebrates	Yes	Yes1

Reptiles	Yes	Yes1

Mammals	Yes	Yes1

Aquatic vascular plants	Yes	Yes1

Aquatic nonvascular plants	Yes	Yes1

Freshwater fish	No	Yes1

Aquatic-phase amphibians	No	Yes1

Freshwater invertebrates	No	Yes1

Mollusks	No	Yes1

Marine/estuarine fish	No	Yes1

Marine/estuarine crustaceans	Yes	Yes1

1Nonlisted LOC exceeded for terrestrial plants, therefore there is
potential for adverse effects to those species that rely either on a
specific plant species or multiple plant species.  Plant indirect
effects may include general habitat modification, host plant loss, and
food supply disruption.

II.  Problem Formulation

A.  Nature of the Regulatory Action	

	Dow AgroSciences is seeking registration for a new use of the active
ingredient isoxaben (PC Code 125851) as the sole active ingredient in
the herbicidal end use product FN-3133 (Reg. No. 62719-LIN). 
Registration is being requested nationally for pre-emergent control of
broadleaf weeds in bearing nut trees and grapes.  There are currently
twelve Section 3 registrations based on isoxaben as the active
ingredient (ai).  There are no current food-use registrations.  The
proposed method of application evaluated for this assessment is ground
spray but the label is not explicit.  The proposed maximum single
application rate is 1.0 lb ai/A.  FN-3133 may not be applied more than
twice per crop year up to a maximum total of 1.0 lb ai/A per crop year. 
No reapplication interval is specified on the label. 

B.  Previous Assessments

Isoxaben was registered for use as a pre-emergent herbicide in 1989. 
There are currently twelve Section 3 registrations based on isoxaben as
the active ingredient (ai), including use on rights-of-ways, turf,
landscaping, nurseries, other industrial (noncrop) areas and non-bearing
fruit and nut crops.  There are no current food-use registrations.  The
reregistration review docket for isoxaben was opened in 2008.  No
ecological risk assessments have been conducted previously for isoxaben.
  

C.  Stressor Source and Distribution 

	

	1.  Nature of the Chemical Stressor 

	

	Isoxaben is a pre-emergent benzamide herbicide used for the control of
broadleaf (dicotyledonous) weeds.  The specific mode of action for
isoxaben is not well understood, but isoxaben has been shown to inhibit
the conversion of glucose to cellulose in cell wall synthesis in
sensitive species, with grasses (Family: Poaceae) tending to be more
tolerant than other plant groups (Salihue et al. 1998).  Isoxaben is not
thought to be highly mobile in adult plant tissues, apparently limiting
its toxicity to older plants, but allowing increased efficacy in
emerging seedlings.  Nonetheless, the vegetative vigor of early growth
plants, particularly ryegrass, is affected by isoxaben, as discussed in
the Ecological Effects Characterization.  Chemical properties of
isoxaben are presented inTable 2, while the structure of isoxaben is
depicted inFigure 1.

Table 2.  Nature of the Chemical Stressor

Common name	Isoxaben (EL-107)

Chemical Name	N-
[3-(methylpent-3-yl)isoxazol-5-yl]-2,6-dimethoxy-benzamide

Pesticide type, such as herbicide or insecticide,	Herbicide

Chemical class	benzamide

CAS number	82558-50-7

Empirical formula	C18H24N2O4

Molecular Mass (g/mol)	332.39 g · mol-1

Vapor pressure (torr)	<3.9 X 10 -7

Henry’s Law Constant at 20oC 

(atm-m3/mole)	8.5x10-10

Solubility in water (ppm)	1 

Log Kow 	2.64

pKa at 25oC	9.78

 

Figure 1. Chemical structure of isoxaben.

	Isoxaben is moderately persistent and (Kd = 0.81 to 6.63 mL/g) mobile
(MRID 41106303).  There is some indication that the mobility of isoxaben
decreases with increasing soil clay content and cation exchange capacity
(CEC) (MRID 41106303), although not significantly enough to consider
isoxaben bound to soil or sediments.  The compound may represent a
ground water concern when applied to certain soils and/or where high
water tables (shallow groundwater) are present (i.e. less than one foot
below grade) and high rainfall/ irrigation occurs (MRID 40059508). 

	Isoxaben does not hydrolyze and does not appear to readily degrade in
terrestrial environments (MRIDs 41106302, 143786, and 164646).  Primary
routes of degradation appear to be biodegradation in aerobic and
anaerobic water bodies and photolysis in shallow, clear water bodies
(MRIDs 40059507, 46393201 and 46393202).

Major degradates detected during aerobic and anaerobic soil metabolism
studies and aerobic and anaerobic aqueous metabolism studies include:
hydroxyisoxaben; dimethoxybenzamide; methoxyphenylpyrimidinol and amino
ethyl methyl (AEM) hexenoylisoxaben.  A mobility study (MRID 41106303)
and EPISuite analysis indicate that several of these isoxaben degradates
are more mobile than the parent.  Additionally, four major photolytic
degradates (Unk 3, Unk 3i, Unk 5a, and Unk 5b) were detected but not
conclusively identified (MRID 47140003).  The Health Effects Division
(HED) evaluated the isoxaben residues of concern for human health. 
Because the formation of the photodegradates was considered minimal
(e.g., formed only during aqueous photolysis) and a structural activity
relationship (SAR) analysis performed by HED concluded that none of
these degradates were expected to be more toxic than the parent
compound, these photodegradates were not of exposure concern and were
excluded as residues of concern.  HED concluded that the major
degradates detected during the aerobic and anaerobic soil and aqueous
metabolism studies were not expected to be more toxic to humans than the
parent compound, but data were not available to exclude them as residues
of concern.  As such, the degradates hydroxyisoxaben,
dimethoxybenzamide, methoxyphenylpyrimidinol, and AEM hexenoylisoxaben
were included as residues of concern for human health (USEPA, 2010). 
For this assessment, in the absence of ecotoxicity data, these
degradates were also included as residues of concern for aquatic
organisms using a total toxic residue (TTR) analysis.  

	2.  Overview of Pesticide Usage

Isoxaben was registered in 1989 for various uses, including:
rights-of-ways, turf, landscaping, nurseries, other industrial (noncrop)
areas and non-bearing fruit and nut crops.  The majority of uses have an
application rate of 1.0 lb ai/A/application, three applications per year
with a 60-day reapplication interval, applied either as a dry flowable
product in a broadcast spray or as a granular product in a spreader. 
Some uses are only 0.5 lbs ai/A/application and there are hand-applied
soil treatments at rates up to 2.0 lbs ai/A/application.  

	Based on label instructions for the 12 registered isoxaben product
labels, most prohibit aerial application; however, it is not clear
whether all of the current uses prohibit aerial application (e.g. usage
on conifer seed orchards).  There are label prohibitions on chemigation
and direct applications to water.  Warnings regarding the potential
toxicity to aquatic organisms and avoidance of spray drift are on the
labels as well.  Isoxaben is not for sale, distribution or use in New
York State.

In a memo from the OPP Biological and Economic Analysis Division (BEAD)
dated 08/01/2007, national non-crop usage accounted for nearly 19,000
(94%) of the 20,372 lbs applied annually (on average) for the years
2003-2005, with rights-of-way alone accounting for an annual average of
11,619 lbs (57% of total applied).

	Isoxaben is currently limited to non-bearing food crops (i.e. food
crops not yet producing a marketable harvest); therefore, historically,
only a small percentage of total target crop area planted is expected to
be treated.  For instance, according the Screening Level Usage Analysis
(SLUA, 2007) for isoxaben, the maximum area treated for almonds, apples
grapes and walnuts is less than 2.5% of total area planted for each
crop.  Registered non-bearing crop uses include almond, apple, apricot,
avocado, banana, blackberry (and other raspberry crops), blueberry,
cherry, citrus fruits, elderberry, fig, grapes, nut trees, olive and
pomegranate.  Approval of the new food use on bearing tree nuts and
grapes would likely increase the amount of isoxaben used on these crops
and as such increase the percent crop treated.  

D.  Receptors 

	1.  Aquatic Effects and Terrestrial Effects

The receptor is the biological entity that is exposed to the stressor
(USEPA, 1998).  Aquatic and terrestrial receptors that may be exposed to
isoxaben include any organism within the action area.

Consistent with the process described in the Overview Document (USEPA,
2004), this risk assessment uses a surrogate species approach in its
evaluation of isoxaben toxicity.  T  SEQ CHAPTER \h \r 1 oxicological
data generated from surrogate test species, which are intended to be
representative of broad taxonomic groups, are used to extrapolate to
potential effects on a variety of species (receptors) included under
these taxonomic groupings.  

Acute and chronic toxicity data from studies submitted by pesticide
registrants along with the available open literature are used to
evaluate the potential direct effects of isoxaben to the aquatic and
terrestrial receptors identified in this section.  This includes
toxicity data on the technical grade active ingredient, formulated
products and, when available, degradates.  Open literature studies are
identified through EPA’s publically available ECOTOX database ( 
HYPERLINK "http://cfpub.epa.gov/ecotox/"  http://cfpub.epa.gov/ecotox/
), which employs a literature search engine for locating chemical
toxicity data for aquatic and terrestrial wildlife and plants.  The
evaluation of both sources of data may also provide insight into the
direct and indirect effects of isoxaben on biotic communities from loss
of species that are sensitive to the chemical and from changes in
structure and functional characteristics of the affected communities.  

	Isoxaben’s effect on aquatic organisms is estimated from acute and
chronic laboratory studies submitted to the Agency by the technical
registrant.  The registrant has submitted acute and chronic studies on
aquatic vertebrates and invertebrates and studies on the effects of
exposure on aquatic plants.  Freshwater fish, e.g., bluegill sunfish
(Lepomis macrochirus) and rainbow trout (Oncorhynchus mykiss), are used
as surrogates for all freshwater fish species.  Freshwater fish are
usually used as surrogates for aquatic-phase amphibians unless
amphibian-specific data are available; amphibian data are unavailable
for isoxaben.  Freshwater invertebrate effects are estimated from
studies using the waterflea (Daphnia magna).  Effects of isoxaben on all
estuarine/marine fish are estimated from effects on sheepshead minnow
(Cyprinodon variegatus), while estuarine/marine invertebrate effects are
estimated from studies on Quahog clam (Mercenaria mercenaria) and grass
shrimp (Palaemonetes pugio).  Effects on aquatic vascular plants are
estimated from studies on duckweed (Lemna gibba), while effects on
aquatic non-vascular plants are similarly estimated from studies on
surrogate species of microalgae.

	

The effect of isoxaben on all bird species is estimated from acute oral,
subacute dietary and chronic dietary studies on two species, bobwhite
quail (Colinus virginianus) and mallard duck (Anas platyrhynchos). 
Recent changes in the study guidelines require an acute passerine study,
which is not available for this assessment.  Birds serve as surrogates
for reptiles and terrestrial-phase amphibians.  Effects on mammals are
estimated from acute and chronic rat studies submitted to and reviewed
by the Health Effects Division (HED). Potential effects on beneficial
insects are estimated using the honey bee (Apis mellifera) as a
surrogate. 

Ten species of terrestrial crop plants are studied to estimate the
effect of isoxaben on all terrestrial plant species.  

Table 3 provides a summary of the taxonomic groups and the surrogate
species tested to evaluate potential ecological effects of isoxaben to
these non-target taxonomic groups.  

Table 3.  Test Species Evaluated for Assessing Potential Ecological
Effects of Isoxaben 

		Taxonomic Group	Surrogate Species	Acute Toxicity Classification

Birds1	  SEQ CHAPTER \h \r 1 Mallard (Anas platyrhynchos)

Bobwhite (Colinus virginianus)	Practically non-toxic

  SEQ CHAPTER \h \r 1 Mammals	  SEQ CHAPTER \h \r 1 Laboratory rat
(Rattus rattus)	Practically non-toxic

  SEQ CHAPTER \h \r 1 Insects	  SEQ CHAPTER \h \r 1 Honey bee (Apis
mellifera L.)	Practically non-toxic

  SEQ CHAPTER \h \r 1 Freshwater fish	  SEQ CHAPTER \h \r 1 Bluegill
sunfish (Lepomis macrochirus)

Rainbow trout (Oncorhynchus mykiss)	Moderately toxic

Moderately toxic

  SEQ CHAPTER \h \r 1 Freshwater invertebrates	  SEQ CHAPTER \h \r 1
Water flea (Daphnia magna)	Moderately toxic

  SEQ CHAPTER \h \r 1 Estuarine/marine fish	  SEQ CHAPTER \h \r 1
Sheepshead minnow (Cyprinodon variegatus)	Moderately toxic

Estuarine/marine invertebrates	Grass shrimp (Palaemonetes pugio)

Quahog clam (Mercenaria mercenaria)	Moderately toxic

  SEQ CHAPTER \h \r 1 Terrestrial plants	  SEQ CHAPTER \h \r 1 Monocots
– onion (Allium cepa)

Dicots – soybean (Glycine max)	Not classified

  SEQ CHAPTER \h \r 1 Aquatic plants and algae	  SEQ CHAPTER \h \r 1
Duckweed (Lemna gibba) 

Green algae (Pseudokirchneriella subcapitata)	Not classified

	2.  Ecosystems at Risk 

		

The ecosystems at risk are often extensive in scope, and as a result it
may not be possible to identify specific ecosystems during the
development of a baseline risk assessment.  However, in general terms,
terrestrial ecosystems potentially at risk could include the treated
vineyard or orchard and areas immediately adjacent to the treated field
that may receive drift or runoff.  Areas adjacent to the treated field
could include cultivated fields, fencerows and hedgerows, meadows,
fallow fields or grasslands, woodlands, wetlands, riparian habitats, and
other uncultivated areas. 

	Aquatic ecosystems potentially at risk include water bodies adjacent
to, or down stream from, the treated vineyard or orchard and might
include impounded bodies such as ponds, lakes and reservoirs, or flowing
waterways such as streams or rivers.  For uses in coastal areas, aquatic
habitat also includes marine ecosystems, including estuaries. 

E.  Assessment Endpoints 

	Assessment endpoints are intended to be representative estimates of
biological entities to be protected, and their attributes that might be
affected by exposure to the pesticide stressor.  The valued entities are
terrestrial and aquatic vertebrates and invertebrates, aquatic vascular
and nonvascular plants, and terrestrial plants.  The attributes used to
gauge the effects of isoxaben on the valued entities are mortality (or
phytotoxicity) from acute exposure and reproductive, growth (length and
weight) and survival effects from chronic exposure.  

	Guideline toxicity tests are intended to determine pesticidal effects
on ecological entities that include birds, mammals, fish, terrestrial
and aquatic invertebrates and plants.  The most sensitive toxicity
endpoints are used from surrogate test species (receptors) to estimate
treatment-related direct effects on acute and chronic reproductive,
growth and survival assessment endpoints.  The studies are used to
evaluate the potential of a pesticide to cause adverse effects, to
determine whether further testing is required, and to determine the need
for precautionary label statements to minimize the potential adverse
effects to non-target animals and plants.  

F.  Conceptual Model	

For a pesticide to pose an ecological risk, it must reach ecological
receptors in biologically significant concentrations.  An exposure
pathway is the means by which a pesticide moves in the environment from
a source to an ecological receptor.  For an ecological pathway to be
complete, it must have a source, a release mechanism, an environmental
transport medium, a point of exposure for ecological receptors and a
feasible route of exposure.

A conceptual model provides a written description and visual
representation of the predicted relationships between isoxaben,
potential routes of exposure, and the predicted effects for the
assessment endpoint.  The conceptual model consists of two major
components: risk hypothesis and a conceptual diagram (USEPA, 1998).

This risk assessment does not take into account atmospheric transport in
estimating environmental concentrations (note, very low vapor pressure
indicates that vapor-phase transport will be negligible), nor does it
account for ingestion of isoxaben residues by animals in drinking water
or contaminated grit, ingestion through preening activities, or uptake
through inhalation or dermal absorption by terrestrial animals. 
Exposure to terrestrial animals is based primarily on dietary
consumption of residues while aquatic assessments assume that all
potential routes of direct exposure are accounted for.  Plant exposure
is based on spray drift and runoff.

	1.  Risk Hypothesis

	

Isoxaben is proposed for use as an herbicide on bearing nut trees and
grapes, which involves situations in the environment where potential
routes of exposure can result in direct contact to forage items (e.g.,
grass), as well as indirect contamination of adjacent bodies of water. 
Since no previous ecological risk assessment has been conducted, the
following generic ecological risk hypothesis is being employed for this
risk assessment:

Given the uses of isoxaben and its environmental fate properties, there
is a likelihood of exposure to non-target terrestrial and aquatic
organisms.  When used in accordance with the label, isoxaben can result
in reduced survival, growth and/or reproductive success in both
terrestrial and aquatic organisms, either directly or indirectly.  As an
herbicide, direct effects to plants are expected and subsequently
indirect to effects to other organisms dependent on both terrestrial and
aquatic plants may occur as a result of the proposed used of isoxaben on
orchards and/or vineyards.

	2.  Diagrams

 

 

Figure 2.  Conceptual model for isoxaben exposure to terrestrial
organisms.  BOLD lines indicate route of exposure considered of higher
importance for isoxaben.  Dotted lines represent low likelihood routes
of exposure. 

 

Figure 3.  Conceptual model for isoxaben effects to aquatic organisms. 
BOLD lines indicate route of exposure considered of higher importance
for isoxaben. Dotted lines represent low likelihood routes of exposure.

G.  Analysis Plan 

	This document characterizes the environmental fate of isoxaben to
assess the extent to which non-target organisms might be exposed through
the proposed uses of this herbicide on bearing tree nut orchards and
vineyards.  The toxicity of isoxaben is also characterized, based
primarily on registrant-submitted toxicity tests.  Estimated exposure
(based on total toxic residues) and effects are integrated to calculate
risk quotients (RQs) for non-target endangered/threatened and
non-endangered animals and plants.  These RQs are compared to
predetermined levels-of-concern (LOCs) to determine which taxa may be
potentially affected. 

	Although risk, in the context intended here, is often defined as the
likelihood and magnitude of adverse ecological effects, the risk
quotient-based approach does not provide a quantitative estimate of
likelihood and/or magnitude of an adverse effect.  Such estimates may be
possible through a more refined, probabilistic assessment.  However,
this is beyond the scope of this screening-level assessment.

	

	1.  Measures to Evaluate Risk Hypotheses and Conceptual Model 

		a.  Measures of Exposure 

	Measures of exposure to aquatic animals and plants are concentrations
in surface water based on aquatic and terrestrial models that predict
estimated environmental concentrations (EEC) of isoxaben using maximum
labeled application rates and application methods that have the greatest
potential for off-site transport of the chemical.  The models used to
predict aquatic EECs are the Pesticide Root Zone Model coupled with the
EXposure Analysis Model System (PRZM/EXAMS).  The model used to predict
terrestrial EECs on food items is T-REX.  The model used to derive EECs
relevant to terrestrial and wetland plants is TerrPlant. 

PRZM and EXAMS are simulation models coupled with a graphical user
interface to generate daily exposures and 1-in-10-year estimated EECs of
isoxaben that may occur in surface water bodies adjacent to application
sites receiving isoxaben through runoff and spray drift.  PRZM simulates
pesticide application, movement and transformation on an agricultural
field and the resultant pesticide loadings to a receiving water body via
runoff, erosion, and spray drift.  EXAMS simulates the fate of the
pesticide and resulting concentrations in the water body.  The standard
watershed geometry used for ecological pesticide assessments assumes
application to a 10-hectare agricultural field that drains into an
adjacent 1-hectare water body that is 2 meters deep (20,000 m3 volume)
with no outlet.  The linked PRZM/EXAMS models are used to estimate
screening-level exposure of aquatic organisms to isoxaben.  The measure
of exposure for aquatic species is the 1-in-10-year return peak or
rolling mean concentration.  The 1-in-10-year peak is used for
estimating acute exposures of direct effects to aquatic organisms.  The
1-in-10-year 60-day mean is used for assessing chronic exposure to fish
and aquatic-phase amphibians.  The 1-in-10-year 21-day mean is used for
assessing aquatic invertebrate chronic exposure.  

Measures of exposure to terrestrial plants irrigated with ground water
were simulated using EECs from the Screening Concentration In GROund
Water model (SCI-GROW, v2.3, Jul. 29, 2003) that were postprocessed
(procedure outlined in Appendix A).  SCI-GROW was a regression model
used as a screening tool to estimate pesticide concentrations found in
ground water.  SCI-GROW was developed by fitting a linear model to
ground water concentrations with the Relative Index of Leaching
Potential (RILP) as the independent variable.  Ground water
concentrations were taken from 90-day average high concentrations from
Prospective Ground Water studies.  The RILP is a function of aerobic
soil metabolism and the soil-water partition coefficient.  The output of
SCI-GROW represents the concentrations of isoxaben residue that might be
expected in shallow unconfined aquifers under sandy soils, which is
representative of the ground water most vulnerable to pesticide
contamination.  Postprocessing assumes that ground water concentrations
estimated by SCI-GROW are applied to a field via one inch of irrigation.
 

Exposure to terrestrial animals through consumption of treated feed
items was calculated from the maximum proposed label rate using a
nomogram derived from the work of Hoerger and Kenaga (1972) and Fletcher
et al. (1994) using the spreadsheet model T-REX (version 1.4.1).   

	Measures of exposure to terrestrial plants were expressed as a fraction
of the mass of isoxaben applied to a treated field.  The screening model
TerrPlant (version 1.2.2) assumes that default fractions of the intended
application will be transported to an adjacent field through runoff and
spray drift.  To evaluate the spatial extent of risk to nontarget
terrestrial plants, AgDRIFT® v2.01 was used to determine at what
distance from the application area LOCs are no longer exceeded.

		b.  Measures of Effect 

	Measures of effect are obtained from a suite of OCSPP guideline studies
conducted with a limited number of surrogate species.  The test species
are intended to be representative of the most sensitive species, but are
typically selected based on their ability to thrive under laboratory
conditions.  Consistent with EPA test guidelines, the registrant has
provided a suite of ecological effects data to the Agency.  Acute
measures of effect are typically the median lethal concentrations that
produce 50% mortality in the test organisms (e.g. LC50).  Measures of
chronic exposure typically result from reproduction studies for which a
no-observed-adverse-effect-concentration (NOAEC) is determined.  The
measure of effect for terrestrial plants is the EC25.  Endangered plant
effects endpoints are the lowest test rate where there is no observed
effect on survival or growth.

III.  Analysis

A.  Exposure Characterization 

	

	1.	Environmental Fate and Transport Characterization

	

	The physical and chemical properties and the environmental fate source
data from submitted studies for isoxaben and its major degradates are
summarized in   REF _Ref239065349 \h  \* MERGEFORMAT  Table 4 . 
Environmental fate and transport properties of isoxaben are
characterized in further detail in the following sections.  

Table 4. Physical/chemical properties and environmental fate source data
for isoxaben and its degradates.

Property	Value	Source 	Comments

Chemical Name	N-
[3-(methylpent-3-yl)isoxazol-5-yl]-2,6-dimethoxy-benzamide	-

	Molecular Weight (g/mol)	332.39	-

	Solubility in Water 

(mg/L @ 20°C)	1	MRID 40059506

	Vapor Pressure 

(torr @ 26°C)	<3.9x10-7	MRID 40059506

	Octanol-water partition coefficient (Kow) 	434	MRID 40059506

	Hydrolysis Half-life

(pH 5, 7, and 9; 25°C)	Stable	MRID 00250449

	Aqueous Photolysis Half-life (days)	6 	MRID 47140003

	Soil Photolysis Half-life (days)	49	MRID 47428403

	Aerobic Soil Metabolism Half-life (days)	161 (sandy loam)

210 (silt loam)

277 (silt loam)

866 (sand)	MRID 47140004

	Anaerobic Soil Metabolism Half-life (days)	224	MRID 41106302

	Aerobic Aquatic Metabolism Half-life (days)	21 (sand and sandy loam)
MRID 46393202

	Anaerobic Aquatic Metabolism Half-life (days)	18	MRID 46393201

	Soil-Water Partition Coefficients (mL/g) (Kd)	0.81 (sand)

2.48 (sandy loam)

4.41 (loam)

6.63 (clay loam)

2.18 (loamy sand)	MRID 41106303

	Henry’s Law Constant (atm-m3/mol)	8.5x10-10	–	Calculated from vapor
pressure, molecular weight, and solubility.

Bioaccumulation	At 0.25 ppm:

14x for edible, 134x for non-edible, 70x for whole fish tissues

92-99% of 14C residues eliminated by 14 days	MRID 40059509

	Terrestrial field dissipation half-life (soil texture) in top 6 inches
of soil	34-55 days in spring treated sand soil (Florida) and loam soil
(Indiana)

78-174 days in autumn treated sand soil (Florida) and sandy loam soil
(Texas)

72 days in clay loam soil (Illinois)

122-134 days in silt loam soil (Indiana)	MRID  40059508

MRID 40059508

MRIDs 40532102 & 40532103

MRID 00250449 & 00153107

	

Isoxaben is moderately persistent and mobile (Kd = 0.81 to 6.63 mL/g)
(MRID 41106303).  There is some indication that the mobility of isoxaben
decreases with increasing soil clay content and cation exchange capacity
(CEC) (MRID 41106303), although not significantly enough to consider
isoxaben bound to soil or sediments.  Isoxaben does not hydrolyze and
does not appear to readily degrade in terrestrial environments (MRIDs
41106302, 143786, and 164646).  Primary routes of degradation appear to
be biodegradation in aerobic and anaerobic water bodies and photolysis
in shallow, clear water bodies (MRIDs 40059507, 46393201 and 46393202).

a. Transport and Mobility

	Isoxaben is not volatile, with a vapor pressure of less than 3.9 x 10-7
torr at 26ºC (MRID 40059506).  The compound exhibits weak acid behavior
(pKa = 9.8), is neutral environmental pHs, and is moderately soluble in
water at environmental pH=7 (1 mg/L; MRID 40059506).  The reported Kow
for isoxaben was 434 (MRID 40059506).  

	Isoxaben is considered mobile, with reported soil-water partition
coefficients (Kd) from five soils ranging from 0.81 to 6.63 (MRID
41106303).  A regression analysis of the adsorption coefficients versus
the organic carbon content yielded a p-value>0.1; as such, the Koc model
was deemed inappropriate and Kd values were used in the modeling.  

	A leaching and adsorption/desorption study was conducted on one of the
identified major degradates: hydroxyisoxaben.  With reported Kd from
five soils ranging from 0.06 to 0.84, this compound was more mobile than
the parent (MRID 41106303).

	Compounds with Kd values less than five present a potential concern for
ground water (USEPA, 2008a).  Therefore, isoxaben and its major
degradate hydroxyisoxaben, based on study data, present a potential
ground water concern in some soils, especially those that are sandy and
have low organic carbon content (all Kd values for both compounds,
except for clay loam soil, were less than 5; MRID 41106303).

b. Degradation

Isoxaben is stable to hydrolysis at pH 5, 7 and 9 (MRID 00250449).  It
is rapidly photolyzed in shallow, clear water, with a corrected
environmental half-life of 6 days at pH 7 (MRID 47140003).  Major
degradates include dimethoxybenzamide and four degradates that were
detected but not conclusively identified; a uracil (Unk 3), an oxime
(Unk 3i), a pyrazolone (Unk 5a), and an isoquinolone (Unk 5b).  Study
authors indicated that extensive efforts were made to identify the
compounds, but in the end the best that could be done was to identify
structural and functional group changes that occurred during
photodegradation.  The names and structures of these unknowns that were
proposed by the study authors based on this analysis are provided in
Appendix B.  Isoxaben photodegrades comparatively slowly in soil, with a
corrected environmental photodegredation half-life in soil of 49 days in
sandy loam soil at pH 7.0 and 0.99% organic carbon (MRID 47428403).

Isoxaben does not readily biodegrade in soil under aerobic or anaerobic
conditions, with half lives of greater than 150 days.  In four foreign
soils held under aerobic conditions, isoxaben degraded with half-lives
of 161 days (sandy loam), 210 days (silt loam), 277 days (silt loam),
and 866 days (sand) (MRID 47140004).  Overall recoveries were greater
than 90%.  The only major degradate identified in the study was
hydroxisoxaben. The study was classified as supplemental, as all of the
soils were foreign and it was unclear if they were comparable to soils
in the United States.  Loam soil was incubated anaerobically for 60 days
after 60 days of aerobic incubation (MRID 41106302).  Isoxaben degraded
with a half-life of 224 days.  Overall recoveries were greater than 90%.
 The only major degradate identified in the study was hydroxisoxaben. 
The study was classified as acceptable.

Primary routes of biodegradation are in aerobic and anaerobic water
bodies.  In two aerobic aquatic systems (brook water-sand sediment and
brook water-sandy loam sediment), isoxaben degraded with a half-life of
21 days (MRID 46393202).  Major degradates include dimethoxybenzamide
and AEM hexenoyl-isoxaben.  The study was classified as acceptable.  In
an anaerobic aquatic system (water and sandy clay loam soil), isoxaben
degraded with a half-life of 18 days (MRID 46393201).  Overall
recoveries were above 90%.  Major degradates include dimethoxybenzamide,
methoxyphenylpyrimidinol, and AEM hexenoyl-isoxaben.  The study was
classified as acceptable.

c. Field Studies

yisoxaben was ≤1% of the applied in all soil samples collected below 6
inches.  However, in a Florida study (MRID 40532101), was detected in
four soil samples at depths of 15-30 cm at levels ≤2% of the applied. 
The limit of detection (LOD) in the studies was 0.01 lbs ai/A (MRID
40059508) and 0.02 lbs ai/A (MRID 40532102).  Half-lives for isoxaben
ranged from 34 to 147 days.

A third field dissipation study (MRID 00250449/00153107) was conducted
using two outdoor lysimeter-enclosed bareground plots (0.656 m2) of silt
loam soil in Indiana.  In the first test, isoxaben (14C isoxaben labeled
on the carbonyl carbon) was applied at a target rate of 250 g ai/ha
(0.22 lbs ai/A) to two plots seeded with winter barley in October, 1980.
 In a second test, isoxaben was applied at a target rate of 150 g ai/ha
(0.13 lbs ai/A) to two plots (one plot received 14C isoxaben labeled on
the carbonyl carbon while the second plot received 14C isoxaben labeled
in the 5-position on the isoxazole ring) which were maintained free of
vegetation in November, 1981.  Soil samples were collected to a depth of
15 cm in the first test and 37.5 cm in the second test.  In the second
test radiolabeled isoxaben was not detected below 15 cm until week 50
and was always below 4%.  The half-life for isoxaben ranged from 122 to
134 days.  In the second test, two degradates were identified in samples
collected to a depth of 15 cm: hydroxisoxaben and hydroxyethylisoxaben. 
The maximum amount of hydroxyisoxaben occurred on Day 32 at 8.6% of the
applied amount and declined to 4.6% at Day 100.  The maximum amount of
hydroxyisoxaben occurred on Day 86 at 3.9% of the applied amount and
declined to 3.8% at Day 100.  This study was classified as supplemental,
as the use of lysimeter plots were not truly representative of field
plots due to their limited size.

d. Bioconcentration

Isoxaben residues accumulated in bluegill sunfish with maximum
bioconcentration factors of 14x in edible tissue, 134x in non-edible
tissue, and 70x in whole fish tissue during 28 days of exposure (MRID
40059509).  Residues accumulated by exposure day 28 were depurated
quickly; at day 14 of depuration, isoxaben residues had been reduced by
92-99% in the edible, non-edible, and whole fish tissues.  The study was
classified as supplemental because isoxaben residues were incompletely
characterized and residues in the whole fish tissue were not determined
experimentally.  Due to the relatively low KOW and bioconcentration
factors in fish, isoxaben is not expected to accumulate in aquatic or
terrestrial food chains.

		e.  Degradates

Major biodegradates of isoxaben include hydroxyisoxaben,
dimethoxybenzamide, methoxyphenylpyrimidinol, and AEM hexenoyl-isoxaben.
 Additionally, four major photolytic degradates (Unk 3, Unk 3i, Unk 5a,
and Unk 5b) were detected but not conclusively identified (MRID
47140003). Chemical names, structures, and fate data for these
degradates are provided in Appendix B.  Based on structural analysis of
the biodegradates in EPISuite, three of the biodegradates (hydroxy
isoxaben, dimethoxy benzamide, and AEM hexenoyl isoxaben) have the
potential to be more mobile than isoxaben, with methoxyphenyl
pyrimidinol appearing to be very immobile.  As mentioned above,
hydroxyisoxaben was detected in all of the terrestrial field studies. 
In two of the studies (MRIDs 40059508 and 40532102), hydroxyisoxaben was
≤1% of the applied in all soil samples collected below 6 inches. 
However, in the Florida study (MRID 40532101), was detected in four soil
samples at depths of 15-30 cm at levels ≤2% of the applied.  In a
third study (MRID 00250449/00153107), the degradate hydroxisoxaben was
detected in samples collected to a depth of 15 cm.  Hydroxyisoxaben was
≤9% of the applied in all soil samples collected below 15 cm.

f.  Residues of Concern

Major degradates detected during aerobic and anaerobic soil metabolism
studies and aerobic and anaerobic aqueous metabolism studies include:
hydroxyisoxaben; dimethoxybenzamide; methoxyphenylpyrimidinol and amino
ethyl methyl (AEM) hexenoylisoxaben.  Additionally, four major
photolytic degradates (Unk 3, Unk 3i, Unk 5a, and Unk 5b) were detected
but not conclusively identified (MRID 47140003).  The Health Effects
Division (HED) evaluated the isoxaben residues of concern for human
health.  Because the formation of the photodegradates was considered
minimal (e.g., formed only during aqueous photolysis) and a structural
activity relationship (SAR) analysis performed by HED concluded that
none of these degradates were expected to be more toxic than the parent
compound, these photodegradates were not of exposure concern and were
excluded as residues of concern.  HED concluded that the major
degradates detected during the aerobic and anaerobic soil and aqueous
metabolism studies were not expected to be more toxic to humans than the
parent compound, but data were not available to exclude them as residues
of concern.  As such, the degradates hydroxyisoxaben,
dimethoxybenzamide, methoxyphenylpyrimidinol, and AEM hexenoylisoxaben
were included with isoxaben as residues of concern for human health
(USEPA, 2010).  

For this assessment, in the absence of ecotoxicity data, these
degradates were included as residues of concern for aquatic organisms
using a total toxic residue (TTR) analysis.  Using fate data for
isoxaben and the degradates of concern, half-lives were recalculated for
the TTR, as provided in Table 5.

Table 5. Physical/chemical properties and environmental fate source data
for residues of concern

Property	Value	Source 

Aqueous Photolysis Half-life (@ pH 7; in days)	6 - 15	MRID 47140003

Soil Photolysis Half-life (days)	63	MRID 47428403

Aerobic Soil Metabolism Half-life (days)	206 (sandy loam)

342 (silt loam)

358 (silt loam)

1,116 (sand)	MRID 47140004

Anaerobic Soil Metabolism Half-life (days)	446 	MRID 41106302

Aerobic Aquatic Metabolism Half-life (days)	62 (sand)

166 (sandy loam)	MRID 46393202

Anaerobic Aquatic Metabolism Half-life (days)	265	MRID 46393201

Freundlich Adsorption Coefficient (mL/g) (Kd)	0.81 (isoxaben, sand)

2.48 (isoxaben, sandy loam)

4.41 (isoxaben, loam)

6.63 (isoxaben, clay loam)

2.18 (isoxaben, loamy sand)

0.06 (hydroxyisoxaben, sand)

0.22 (hydroxyisoxaben, sandy loam)

0.37 (hydroxyisoxaben, loam)

0.84 (hydroxyisoxaben, clay loam)

0.3 (hydroxyisoxaben, loamy sand)	MRID 41106303

		g.  Transport and Dissipation Pathways

	In addition to its degradation via aquatic metabolism and aqueous
photolysis (in clear, shallow water), isoxaben and its degradates are
likely to dissipate off site mainly via leaching through soil and runoff
of dissolved residues from treated fields.  Deposition off-field or into
surface water via spray drift may also occur.  Isoxaben and its
degradates are not expected to be subject to soil, water, or air
transport via soil-bound residues (very low adsorption) or atmospheric
transport via partitioning to air through spray drift or volatization
(low vapor pressure).  

	2.  Measures of Aquatic Exposure 

		a.  Surface Water Aquatic Exposure Modeling 

	In order to model aquatic EECs of isoxaben originating from ground
applications to control broadleaf weeds around bearing nut trees and
grape vineyards, PRZM scenarios were modeled. Sensitivity analysis of
PRZM indicates that precipitation and curve number (CN) contribute
significantly to variability in EECs (FEMVTF 2001).  For grapes,
scenarios representing wine grape vineyards in San Francisco, CA and
grapes grown in New York were modeled.  While isoxaben use is prohibited
in New York by the proposed label, the New York grape scenario was used
as a surrogate for grapes grown on the east coast of the United States. 
Modeling was conducted for bearing nut trees using the Georgia pecan,
the Oregon filbert, and the California almond scenarios.  These
scenarios are used as surrogates for the bearing nut tree orchards on
the proposed label (e.g., almonds, beech nut, Brazil nut, butternut,
cashew, chinquan, filbert, hickory nut, macadamia nut, pecan, pistachio,
and walnuts). For this assessment, only the highest exposure values
(e.g., those from the New York grape and Georgia pecan scenario) have
been reported.  In less vulnerable areas, EECs may be substantially
reduced (i.e. > 25%).

		

Input Parameters

Input parameters for the PRZM/EXAMS model for applications to bearing
nut tree orchards and grape vineyards appear in Table 6, respectively;
data source and comments accompany values for each parameter.  SCI-GROW
input parameters are presented in Table 7.  Methods used to derive input
values are consistent the EFED Input Parameter Guidance.

Table 6. PRZM/EXAMS input parameters for isoxaben applied to bearing nut
tree orchards and grape vineyards

Input Parameter	Value	Source	Comment

Application Rate in

lbs ai/A (kg ai/ha)	1.0 (1.21)	Proposed label.	The maximum proposed
application rate considered for this assessment is 1.0 lbs
ai/acre/application, with a total annual application rate of 1.0 lbs
ai/acre.

Applications per Year	1	Proposed label.

	Application Intervals (days)	NA	Proposed label.

	Modeled Scenario	Grapes: NY Grapes

Nut Trees: GA Pecan

Date of Initial Application	Grapes: September 14

Nut trees: September 21	---	Selected day with largest precipitation
event between emergence and harvest dates.

CAM	1	Proposed label	---

IPSCND	1	Proposed label

	Molecular Weight (g/mol)	332.39	Product chemistry data.	---

Henry's Law Constant (atm-m3/mol)	8.5x10-10	---	Calculated using vapor
pressure, molecular weight, and solubility.

Solubility in Water at 25oC (mg/L)	1.0	MRID 40059506

	Freundlich Adsorption Coefficient (mL/g) (Kd)	3.3 (isoxaben)

0.36 (hydroxyisoxaben)	MRID 41106303	Mean Kd value.1

Application Efficiency	0.99

Input parameter guidance.1

Spray Drift Fraction	0.01

Input parameter guidance.1

Aerobic Soil Metabolism Half-life (days)	710 (TTR)	MRID 47140004
Represents the 90th percentile of the upper confidence bound on the mean
(450) of 5 TTR half-life values.1

Aerobic Aquatic Metabolism Half-life (days)	274 (TTR)	MRID 46393202
Represents the 90th percentile of the upper confidence bound on the mean
(114) of 2 TTR half-life values.1

Anaerobic Aquatic Metabolism Half-life (days)	795 (TTR)	---	3 x single
half-life. 1

Hydrolysis Half-lives (days)	Stable	MRID 00250449	No significant
degradation in study.

Aqueous Photolysis

Half-life (days)	15 (TTR)	MRID 47140003	Maximum dark control corrected
half-life.1

1  EFED input parameter guidance is located at:
http://www.epa.gov/oppefed1/models/water/input_parameter_guidance.htm.

Table 7. SCI-GROW input parameter values for isoxaben and its degradates

Input Parameter	Value	Source	Comment

Aerobic Soil Metabolism Half-life (days)	342 (TTR) 	MRID 47140004	Median
value 1

Organic Carbon Normalized Partition Coefficient  Koc	434 (isoxaben)

57 (hydroxyisoxaben)	MRID 41106303	Values derived from regression
analysis. See discussion below.

Application Rate (lb ai/A)	1	Proposed label	–

Maximum No. of Applications/Year	1	Proposed label	–

1  EFED input parameter guidance is located at:
http://www.epa.gov/oppefed1/models/water/input_parameter_guidance.htm.

Because isoxaben has a number of major degradates with similar toxicity
as isoxaben, a total toxic residue (TTR) approach was used in the
modeling.  Half-lives for all of the studies were estimated for the TTR
by summing the amounts of isoxaben, hydroxyisoxaben, dimethoxybenzamide,
methoxyphenylpyrimidinol, and AEM hexenoylisoxaben for each sampling
period and performing a regression on the log-transformed data.  For
adsorption to soil, a regression analysis of the adsorption coefficients
versus the organic carbon content yielded a p-value>0.1; as such, the
Koc model was deemed inappropriate and soil-water partition coefficient
(Kd) values were used in the modeling.  Per EFED’s Input Parameter
Guidance, the arithmetic mean of the Kd values was used.  However, a
mobility study (MRID 41106303) and EPISuite analysis indicated that
several of the isoxaben degradates were more mobile than the parent.  As
such, two sets of PRZM/EXAMS and SCI-GROW modeling runs were completed:
one set using the mobility estimates of the parent (Kd = 3.3 mL/g) and
one set using mobility estimates derived from the degradate study (Kd =
0.36 mL/g).

While aerial application of isoxaben on bearing nut tree orchards and
grape bearing vineyards was not specifically prohibited on the label,
EFED modeled ground application of isoxaben because: (1) isoxaben is a
preemergence herbicide proposed for control of broadleaf weeds; and, (2)
aerial application of isoxaben on bearing nut tree orchards and grape
vineyards would likely destroy the crops it is meant to protect.  It
should be noted that aerial application of pesticides normally results
in higher EECs.  As such, higher concentrations would be expected if
isoxaben had been modeled using the aerially application method.  For
the PRZM input “chemical application method” (CAM), a value of 1 was
selected to represent foliar applications for grape vineyards and
bearing nut tree orchards.  For the PRZM input “condition for
disposition of foliar pesticide after harvest” (IPSCND), a value of 1
was selected for both applications as the pesticide is surface applied
to control broadleaf weeds.  Ground applications were modelled, using a
spray drift fraction of 0.01 and an application efficiency of 0.99, per
the Input Guidance.  Application dates were selected by examining the
precipitation events in the corresponding meteorological files and
selecting the date with the highest precipitation that fell between the
emergence date and the harvest date for the respective crop.

c. Modeling Results

PRZM/EXAMS EECs representing 1-in-10-year peak, 21-day, and 60-day
average concentrations are located in   REF _Ref238379248 \h  \*
MERGEFORMAT  Table  8.  SCI-GROW EECs are presented in   REF
_Ref261415707 \h  \* MERGEFORMAT  Table  9.

Table 8. PRZM/EXAMS-simulated EECs for isoxaben applied at maximum
application rates to grape vineyards and bearing nut tree orchards

Scenario	1-in-10 yr Peak

(µg ai/L)	21-d Avg Conc

(µg ai/L)	60-d Avg Conc

(µg ai/L)

Parent Kd Data (Kd = 3.3 mL/g)

Grapes	14.2	13.9	13.2

Bearing Nut Trees	22.2	19.4	18.1

Degradate Kd Data (Kd = 0.36 mL/g)

Grapes	12.0	12.0	11.5

Bearing Nut Trees	18.0	17.1	16.0

Table 9. SCI-GROW EECs for isoxaben applied at maximum application rates
to grape vineyards and bearing nut tree orchards (µg ai/L).

Scenario	Acute

(µg ai/L)	Chronic 

		(µg ai/L)

Parent Kd Data (Kd = 3.3 mL/g)

Grapes / Bearing nut trees	0.71	0.71

Degradate Kd Data (Kd = 0.36 mL/g)

Grapes / Bearing nut trees	14.5	14.5

FN-3133 may not be applied more than twice per crop year up to a maximum
total of 1.0 lb ai/A per crop year.  As such, EFED performed PRZM/EXAMS
and SCIGROW runs for two applications of isoxaben at 0.5 lbs
ai/acre/application, using the scenario with the highest EECs, bearing
nut trees.  As the label does not specify a retreatment interval (RTI),
EFED conducted PRZM/EXAMS runs at RTIs of 3, 7, 15, 30, 60, 90, 120, and
180 days, using the same fate parameters outlined in Table 8 and a Kd of
3.3 mL/g.  SCIGROW runs were conducted using the same fate parameters as
presented in   REF _Ref261415556 \h  \* MERGEFORMAT  Table  9.  Results
for all model runs indicate EECs were at or below the values derived for
a single application of isoxaben to bearing nut tree orchards.

e. Monitoring Data

Isoxaben is not included as one of the analytes monitored in U.S.
surface and groundwater under the USGS’s National Water Quality
Assessment (NAWQA) program (  HYPERLINK "http://water.usgs.gov/nawqa" 
http://water.usgs.gov/nawqa ).  Surface water and sediment monitoring
data from the California Department of Pesticide Regulation (CDPR)
indicate that six surface water samples were collected and analyzed for
isoxaben in 2006 in Stanislaus County, but all of the reported
concentrations were 0 µg/L.  The database did not provide the limit of
detection for these samples, so it is unclear what the concentration
truly was.  Monitoring data for isoxaben degradates were not available.

	

	3.  Measures of Terrestrial Exposure 

	

	The proposed application method for isoxaben being evaluated is ground
broadcast spray.  This application method can result in various routes
of exposure to non-target terrestrial organisms, including ingestion of
treated foods, spray drift and runoff.  The label specifies no more than
two applications per year but does not specify limitations on
application intervals.  The seasonal maximum application (1.0 lbs ai/A)
can be applied at one time.

		a.  Terrestrial Animals 

	Exposure estimates for terrestrial animals assumed to be in the target
area or in an area exposed to spray drift are derived using the T-REX
model (version 1.4.1, 10.09.2008).    SEQ CHAPTER \h \r 1 This model
incorporates the Kenaga nomograph, as modified by Fletcher et al.
(1994), which is based on a large set of actual field residue data.  The
upper limit dietary-based values (Table 10) from the nomograph represent
the 95th percentile of residue values from actual field measurements
(Hoerger and Kenega, 1972) and are based on the proposed maximum single
application rate of 1.0 lb a.i./Acre..  The Fletcher et al. (1994)
modifications to the Kenega nomograph are based on measured field
residues from 249 published research papers, including information on
118 species of plants, 121 pesticides, and 17 chemical classes.  

Table 10.  Unadjusted* Dietary EECs from TREX v1.4.1 based on a single
application of 1 lb ai/acre.

Terrestrail Animal Forage Item	Dietary-based

EECs

(mg ai/kg diet)

Short Grass 	240.00

Tall Grass 	110.00

Broadleaf plants/sm Insects	135.00

Fruits/pods/seeds/lg insects	15.00

*not adjusted for size class or nutritive value of food item

		b.  Terrestrial Plants 

	Exposure to upland and wetland plants is estimated using the TerrPlant
(v1.2.2) screening model and AgDRIFT (v2.01).  TerrPlant estimates
potential exposure from a single application using default assumptions
for runoff and spray drift (Table 11).  For runoff plus drift, TerrPlant
incorporates two similar conceptual models for depicting dry and
semi-aquatic (wetland) areas of terrestrial habitats.  For both
scenarios, a non-target area is adjacent to the treated field. 
Herbicide exposures to plants adjacent to the treated field are
estimated to receive runoff and drift from the treated field.  For a dry
area adjacent to the treated orchard or vineyard, runoff exposure is
estimated as sheet runoff.  In the model, sheet runoff is defined as the
amount of herbicide in water that runs off of the soil surface of a
treated field which is equal in size to the non-target area (1:1 ratio
of areas).  For wetland areas, runoff exposure is estimated as
channelized runoff.  In the model, channelized runoff is the amount of
herbicide that runs off of a treated orchard or vineyard 10 times the
size of the area adjacent to the treated orchard or vineyard (10:1 ratio
of areas).  Estimated exposures through runoff plus drift and drift
alone are then compared to measures of plant survival and growth (e.g.
effects to seedling emergence and vegetative vigor) to develop RQ
values.  AgDRIFT provides point estimates of mass deposition at
distances from the application site.

Table 11. EECs for isoxaben (lbs ai/A) based on the proposed maximum
single application rate of 1.0 lb ai./Acre.

Description	Equation	EEC

Runoff to dry areas	(A/I)*R	0.001

Runoff to semi-aquatic areas	(A/I)*R*10	0.01

Spray drift	A*D	0.001

Total for dry areas	((A/I)*R)+(A*D)	0.002

Total for semi-aquatic areas	((A/I)*R*10)+(A*D)	0.011

B.  Ecological Effects Characterization 

	All toxicity studies were conducted with isoxaben, with the exception
of terrestrial plant studies, which were conducted with a formulated
product, i.e., FN-3133.  A search of the publically available ECOTOX
database (05/04/2010) resulted in no relevant open literature toxicity
data.  

	

1.  Aquatic Effects Characterization 

	

The registrant has submitted a suite of studies, as required by CFR 40
Part 158, which examine the toxicity of isoxaben to representative
aquatic organisms that serve as surrogates for organisms that may be
exposed.  Both acute and chronic effects were determined for freshwater
fish and invertebrates.  Acute effects on marine/estuarine fish and
invertebrates and aquatic vascular and nonvascular plants were also
examined.  However, some data gaps remain and will be discussed later in
the document.

            

		a.  Aquatic Animals 

		i.  Effects from Acute Exposure 

	Most of the available aquatic effects studies were conducted at nominal
concentrations of 0 (control) and 100 mg ai/L.  Very few were conducted
with a co-solvent, and the water solubility of isoxaben is 1 mg/L. 
There was no reported effort to centrifuge or filter the solute.  If the
solutions were actually prepared with a nominal concentration of 100 mg
ai/L and the measured concentration is roughly 1 mg ai/L in the acute
studies, a precipitate should have been reported.  However, no
precipitate is reported for any of the available studies.

Freshwater Fish

		In 96-h acute toxicity studies, rainbow trout (Oncorhynchus mykiss;
MRID 00132146), bluegill sunfish (Lepomis macrochirus; MRID 00132145)
and common carp (Cyprinus carpio; MRID 00137844) were exposed to
isoxaben at mean-measured concentrations of 0 (negative control) and 1.0
mg ai/L.  No sub-lethal effects were observed in any study.  The LC50
and NOAEC values (Table 12), based on a lack of mortality and sub-lethal
effects, were >1.0 and 1.0 mg ai/L.  Based on the results of these
studies, isoxaben is classified as moderately toxic to freshwater fish
on an acute exposure basis.

Table 12.  Freshwater fish and amphibian acute toxicity for technical
grade isoxaben.

Species	96-hour

LC50 mg ai/L 	Toxicity Category	MRID No.	Study Classification

Rainbow trout

(Oncorhynchus mykiss)	>1.0 	Moderately toxic	00132146	Supplementa

Bluegill sunfish 

(Lepomis macrochirus)	>1.0	Moderately toxic	00132145	Supplemental

Common carp

(Cyprinus carpio)	>1.0	Moderately toxic	00137844	Supplemental

Estuarine/marine Fish

In a 96-h acute toxicity study, sheepshead minnows (Cyprinodon
variegatus; MRID 40531304) were exposed to isoxaben at time-weighted
average (TWA) concentrations were <0.02 (<LOQ; controls) and 0.86 mg
ai/L.  The 96-h LC50 was >0.86 mg ai/L. The LC50 and NOAEC values (Table
13), based on a lack of mortality and sub-lethal effects, were 0.86 and
>0.86 mg ai/L, respectively.  Isoxaben is classified as moderately toxic
to estuarine/marine fish at the limit of its water solubility.   

Table 13.  Estuarine/marine fish acute toxicity to technical grade
isoxaben.

Species	96-hour

LC50 mg ai/L 	Toxicity Category	MRID No.	Study Classification

Sheepshead minnow

(Cyprinodon variegatus)	>0.86	Moderately toxic	40531304	Supplemental

Freshwater Invertebrates

Water fleas, Daphnia maga (MRID 00132444), were exposed to isoxaben at
mean-meausured concentrations of 0 (control) and 1.3 mg ai/L.  No
effects were seen in either the control or treatment groups.  Therefore
the 48-h EC50 and NOAEC were >1.3 mg ai/L and 1.3 mg ai/L, respectively
(Table 14).  Isoxaben is classified as moderately toxic -toxic to
estuarine/marine fish at the limit of its water solubility.

Table 14.  Freshwater invertebrate acute toxicity for technical grade
isoxaben.

Species	96-hour

LC50 mg ai/L 	Toxicity Category	MRID No.	Study Classification

Waterflea

(Daphnia magna) 	>1.3	Moderately toxic	00132444	Supplemental

*at the limit of solubility

Estuarine/marine

	

	Quahog clam larvae (Mercenaria mercenaria; MRID 40531302) were exposed
to isoxaben at for 48-h under static conditions.  Larvae were exposed to
mean-measured concentrations of <0.02 (<LOQ; negative control) and 0.96
mg ai/L.  The 48-hr EC50 was >0.96 mg ai/L (Table 15).  The NOAEC was
<0.96 mg ai/L, based on a 40% reduction in normally developed larvae. 
The only observed toxic effect was an inhibition of normal larval
development.  It is not clear from the study how ‘normal larvae’ is
differentiated from ‘abnormal larvae’.  Isoxaben is classified as
moderately toxic to this species; however, the 40% effect on larval
developmental is discussed further in the Risk Description..

	Grass shrimp (Palaemonetes pugio; MRID 40531303) demonstrated no effect
from exposure to a measured concentration of 1 mg ai/L of isoxoaben. 
Isoxaben is classified as moderately toxic to this species at the limit
of its water solubility

Table 15. Estuarine/marine invertebrate acute toxicity for technical
grade isoxaben.

Species	96-hour LC50 

mg ai/L 	Toxicity Category	MRID No.	Study Classification

Quahog clam

(Mercenaria mercenaria)	>0.96	Moderately toxic	40531302	Supplemental

Grass shrimp

(Palaemonetes pugio)	>1.0	Moderately toxic	40531303	Supplemental

	ii.  Effects from Chronic Exposure

	Aquatic vertebrates

	A 66-day early-life stage study of the effect of chronic exposure of
isoxaben to rainbow trout (MRID 00137847) was conducted under
flow-through conditions.  Fertilized eggs/embryos (100/level, early-eyed
stage) of rainbow trout were exposed to mean-measured concentrations of
<0.002 (<LOD, controls), 0.024, 0.048, 0.093, 0.19, and 0.42 mg ai/L,
respectively.  No treatment-related effects were observed on any
measured parameter during the study.  The 66-day NOAEC and LOAEC were
0.42 and >0.42 mg ai./L, respectively (Table 16).  

	A 33-day early-life stage study of isoxaben with fathead minnows
(Pimephales promelas; MRID 00137848) was conducted under flow-through
conditions.  Fertilized eggs/embryos (100/level, <48 hours old) of
fathead minnow were exposed to mean-measured concentrations of <0.002
(<LOD, controls), 0.025, 0.048, 0.095, 0.18, and 0.40 mg ai/L,
respectively.  No treatment-related effects were observed on any
measured parameter during the study.  The 33-day NOAEC and LOAEC values
were 0.40 and >0.40 mg ai/L, respectively.  

Table 16.  Early life-stage toxicity of technical grade isoxaben to
freshwater fish.

Species	NOAEC

mg ai/L	LOAEC

mg ai/L	Endpoints Affected	MRID No.	Study Classification

Rainbow trout (Oncorhynchus mykiss)	0.42	>0.42	None	00137847
Supplemental

Fathead minnow (Pimphales promelas)	0.40	>0.40	None	00137848
Supplemental

	No chronic toxicity data were submitted for estuarine/marine fish. 
However, given the reported effect on estuarine/marine invertebrates in
the acute exposure study, these data are needed for risk assessment
purposes. 

	Aquatic Invertebrates

	In a 21-day static renewal life-cycle study, first instar daphnids
(MRID 00137845) were exposed to isoxaben at mean-measured concentrations
of 0 (control), 0.13, 0.69 and 1.01 mg ai/L.  No effects were observed
in the control, 0.13 or 0.69 mg ai/L treatment groups (Table 17), but
13% of the daphnids were immobilized in the highest treatment group. 
Additionally, statistically significant effects were reported for growth
and reproduction (brood size) at the highest treatment concentration. 
The NOAEC and LOAEC for the study are 0.69 mg ai/L and 1.01 mg ai/L,
respectively, based on impaired growth and reproduction.

Table 17.  Freshwater invertebrate full life-cycle toxicity for
technical grade isoxaben.

Species	NOAEC

mg ai/L	LOAEC

mg ai/L	Endpoints Affected	MRID No.	Study Classification

Waterflea

(Daphnia magna)	0.69	1.01	None	00137845	Supplemental

	No chronic toxicity data were submitted for estuarine/marine
invertebrates.  However, given the effects observed on larval
development in the acute Quahog clam study suggest these data are
necessary for risk assessment.

		

	b.  Aquatic Plants 

		Three studies assessing the effect of isoxaben on the aquatic vascular
plant duckweed, Lemna gibba, are available (Table 18).  In a 14-day
toxicity study, the freshwater floating aquatic vascular plant duckweed
(MRID 47428401) was exposed to isoxaben (technical grade active
ingredient;TGAI) at mean-measured concentrations of<0. 5 (<LOQ,
control), 5.8, 13, 24, 46, and 93 µg ai/L.  A NOAEC was not defined in
the study. The EC05 and EC50 values for decreased biomass, the most
sensitive endpoint, were 2.9 and 13 (g ai/L, respectively.  Inhibition
in biomass in the treatment groups ranged from 13 to 96%.  

		In a 7-day acute toxicity study, duckweed (MRID 47428402) was exposed
to isoxaben TGAI at mean-measured concentrations of <0.50 (<LOQ,
control), 3.1, 6.0, 12.3, 23.6, and 45.9 (g ai/L.  The 7-day NOAEC and
EC50 values for biomass inhibition, the most sensitive endpoint, were
6.0 and 10 (g ai/L, respectively.  The inhibition in biomass in the
treatment groups ranged from -1 to 95%.  

		In a 14-day acute toxicity study (MRID 47428406), duckweed was exposed
to Isoxaben® 500 SC (formulation) at mean-measured concentrations of
<0.5 (<LOD, control), 5.1, 10.1, 20.3, 38.5, 84.2 and 172.1 (g ai/L. 
The 14-day NOAEC and EC50 values for biomass inhibition, the most
sensitive endpoint, were 10.1 and 15 (g ai/L, respectively.  A hormetic
(low-dose stimulatory) effect of 18% increased biomass was seen at the
lowest test concentration.  In the remaining treatment groups, percent
inhibition in biomass ranged from 6 to 95%.  

		Studies of nonvascular plants are also required and typically involve
microalgae.  A supplemental 14-day static study reports a NOAEC of 1.4
mg ai/L for the green algae Pseudokirchneriella subcapitata (formerly
Selenastrum capricornutum).  The study is from 1984, before microalgae
studies were routinely submitted to the Agency; raw data were not
included and the study is not consistent with Agency guidelines.  A
complete suite of the four aquatic nonvascular plant studies has been
requested in the Registration Review process.

Table 18.  Toxicity of technical grade isoxaben to aquatic plant
species.

Species/

 (duration)	% ai	EC50

(g ai/L	NOAEC 

(g ai/L 	MRID	Study Classification

Duckweed (Lemna gibba)

 (14 days)	Technical	13	2.9	47428401	Supplemental

Duckweed (Lemna gibba)

(7 days)	Technical	10	6	47428402	Supplemental

Duckweed (Lemna gibba)

 (14 days)	Formulationl	15	10.1	47428406	Supplemental

Green algae (Pseudokirchneriella subcapitata)	Technical	>1400*	1400*
00153111	Supplemental

*Supplemental data not used in Risk Estimation	

	2.	Terrestrial Effects Characterization 

The registrant has submitted a battery of studies that examine the
toxicity of isoxaben to representative terrestrial organisms that stand
as surrogates for animals and plants at risk of exposure.  Effects of
acute and chronic exposure were evaluated for mammals; data are also
available for birds which serve as a surrogate for terrestrial-phase
amphibians and reptiles.  Data on the effects of isoxaben on terrestrial
invertebrates are available with studies of the honeybee (Apis
mellifera).  The toxicity of isoxaben to terrestrial plants was
evaluated using representative monocotyledonous (monocots) and
dicotyledonous (docots) plants.

a.  Terrestrial Animals 

		i.  Effects from Acute Exposure  

	Birds

	The acute oral toxicity of isoxaben to 20-wk-old bobwhite quail
(Colinus virginianus; MRID 00132146) was assessed over 14 days. 
Isoxaben was administered by oral gavage at nominal doses of 0 (vehicle
control), 125, 250, 500, 1000 and 2000 mg/kg.  The 14-day acute oral
LD50 was >2000 mg/kg-bw (Table 19).  Since no effects were observed in
any of the treatment levels, the 14-day NOAEL, based on a lack of
treatment-related effects, was 2000 mg/kg-bw. Isoxaben is classified as
practically non-toxic to bobwhite quail (Colinus virginianus) on an
acute oral exposure basis.

Table 19.  Avian acute oral toxicity for technical grade isoxaben.

Species	LD50

(mg ai/kg bw)	Toxicity Category	MRID	Study

Classification

Northern bobwhite quail (Colinus virginianus)	>2000	Practically

 non-toxic  	00132146	Acceptable

	The subacute dietary toxicity of isoxaben to 12-d old bobwhite quails
(Colinus virginianus; MRID 00132142) was assessed over 8 days (5 days
with treated feed and 3 days with basal diet).  Isoxaben was
administered to the birds in their diet at measured concentrations of 0
(negative control), 56, 180, 480, 1500, and 4500 mg ai/kg diet.  The
8-day subcute dietary LC50 was >4500 mg ai/kg diet (Table 20).  The
NOAEC, based on a lack of treatment-related effects, was 4500 mg
ai/kg-diet.  Isoxaben is considered to be practically nontoxic to
bobwhite quail on an subacute dietary exposure basis.

The subacute dietary toxicity of isoxaben to 10-d-old mallard ducks
(Anas platyrhynchos; MRID 00132143) was assessed over 8 days.  Measured
concentrations were 0 (negative control), 63, 190, 540, 1600, and 4800
mg ai/kg diet.  The 8-day subacute dietary LC50 was >4800 mg ai/kg diet.
 The NOAEC, based on a lack of treatment-related effects, was 4800 mg
ai/kg diet.  Isoxaben is considered to be practically nontoxic to
mallard ducks on an subacute dietary exposure basis

Table 20.  Avian subacute dietary toxicity for technical grade isoxaben.

Species	LC50

(mg ai/kg diet) 	Toxicity Category	MRID	Study Classification

Northern bobwhite quail

(Colinus virginianus)	>4500

	Practically

 non-toxic	00132142	Acceptable

Mallard duck

(Anas platyrhynchos)	>4800

	Practically 

non-toxic	00132143	Acceptable

	Mammals

		Rats (Rattus norvegicus) are typically used as surrogates for all
mammals, and the data are typically reviewed by the Health Effects
Division (HED).  The following paragraph is taken directly from the HED
‘Toxicology Chapter of the New Chemical Registration of Isoxaben’
(125851_121587_TX006559_R023250.tif). 

		‘Sufficient data are available to show that Technical Isoxaben is
not lethal to laboratory animals when taken by the oral touts (MRID
MJ031, MJ032).  All test rats (10/sex) survived a 14 day study in which
Technical Isoxaben was administered orally by gavage at a dose of 10,000
mg/kg in approximately 34 mi/kg dosage volume (category IV). In a study
with mice (10/sex), all animals survived to 14 days after a dose of
10,000 mg/kg (category XV).’ 

		Therefore the LD50 used in this assessment is >10,000 mg ai/kg-bw
(Table 21) and is classified as practically nontoxic to mammals on an
acute oral exposure basis.

Table 21.  Acute oral mammalian toxicity for isoxaben.

Species

	LD50 	Toxicity Category	Affected

Endpoints	MRID No.	Classification

Wistar rat

Rattus rattus	>10000 mg ai/kg-bw	practically non-toxic

	none	MJ031, MJ032	Acceptable

	Terrestrial Invertebrates

		Honeybees (Apis mellifera) were exposed via contact to doses of
isoxaben technical at 0 (control), 33.9, 67.4 and 101.7 µg ai/bee (MRID
0015311).  No mortality or other subeffects were reported at any of the
doses tested.  The LD50 for isoxaben is >101.7 μg ai/bee and isoxaben
is classified as practically nontoxic to honeybees on an acute contact
exposure basis.  

		ii.  Chronic Effects

	Birds 

		The one-generation reproductive toxicity study of isoxaben to 20 pairs
per level of 17-week old northern bobwhite quail (Colinus virginianus;
MRID 00153110) -was assessed over 24 weeks.  Isoxaben was administered
to the birds in the diet at mean-measured concentrations of <LOD
(control), 105, 313, and 1073 mg ai/kg-diet, respectively.  No
treatment-related effects were observed on any adult or offspring
parameter at any treatment level.  Therefore the NOAEC and LOAEC for the
study are 1073 and >1073 mg ai/kg-diet, respectively (Table 22). 

		The one-generation chronic toxicity of isoxaben to 12 pairs per level
of 20-week old mallard duck (Anas platyrhynchos; MRID 00153109) was
assessed over 23 weeks.  Isoxaben was administered to the birds in their
diet at mean-measured concentrations of <LOD (control), 100, 298, and
946 mg ai/kg-diet, respectively.  The study is classified as
‘Supplemental’, because it provides insight into the potential for
effects of chronic exposure of isoxaben to avian species, but the study
is insufficient to provide a definitive endpoint.  There was a
significant reduction in the proportion of eggs hatched to live 3-wk old
embryos, indicating reproductive effects at least as low as 298 mg ai/kg
diet.  There was a high percentage of cracked eggs in the control (11%),
nearly double the high-end normal value (6%) as stated in the OPPTS
850.2300 harmonized guideline; the elevated number of cracked eggs in
the control raises uncertainty regarding the conditions under which the
study was conducted.  Furthermore, the number of eggs laid per hen was
higher than expected (59 vs 38), and the mean percentage of viable
embryos per eggs set was very low in the control (71% vs 85-98%).  There
was also an apparent effect on hatchling survival per egg set and the
number of hatchlings per pen, but high control variability did not allow
for statistical detection.  Additionally, data for two important growth
endpoints, hatchling weight and 14-d survivor weight were not provided. 
While these problems are not enough to invalidate the study, a
definitive endpoint could not be determined.

Table 22.  Avian reproduction chronic toxicity for technical grade
isoxaben.

Species

	% a.e.	NOAEC 

(mg ai/kg diet)	LOAEC 

(mg ai/kg-diet)	MRID	Study Classification

Northern bobwhite quail

(Colinus virginianus)	94.5

Technical	1073	>1073	00153110	Supplemental

Mallard duck

(Anas platyrhynchos)	94.5 

Technical	Not established	100	00153109	Supplemental

	Mammals 

	Rats (Rattus norvegicus) are typically used as surrogates for all
mammals, and the data are typically reviewed by HED.  The following
paragraph is taken directly from the HED ‘Toxicology Chapter of the
New Chemical Registration of Isoxaben’
(125851_121587_TX006559_R023250.tif).  It is worth noting that HED
considered isoxaben to be a Class ‘C’ carcinogen.

		‘Rats (25/sex/dose) were administered 0, 500, 2500, or 12500 ppm (0,
25, 125, or 625 mg/kg/day) Technical Isoxaben in the diet in a three
generation reproduction study (MRID MJ019, core grade minimum). 
Parental female toxicity was demonstrated in lowered mean bodyweight,
lowered mean bodyweight gain, and lowered food efficiency during growth,
gestation and lactation at 2500 ppm and 12500 ppm.  Parental male
toxicity was found in lowered mean bodyweight during the growth phases. 
Both parental males and females showed increased mean relative liver
weight at 12500 ppm and females only at 4500 ppm. (NOEL= 500 ppm). 
Reproductive toxicity was demonstrated at 12500 ppm in significantly
(p<0.05) decreased numbers of viable pups born and depression in mean
body weight of progeny on postpartum day 21 (NOEL = 2500 ppm).’  

Therefore the NOAEL used in this assessment is 25 mg ai/kg-bw/day (Table
23)

Table 23.  Chronic toxicity of isoxaben to mammals.

Species

	% a.e.	NOAEL 

(mg ai/kg-bw) 	LOAEL 

(mg ai/kg-bw)	MRID	Study Classification

Wistar rat

(Rattus norvegicus)	94.5

Technical	25	125	MJ019	Supplemental

		b.  Terrestrial Plants			

	Seedling emergence testing (MRID 47428404) indicate moncot grass
species (Family: Poaceae) tested were unaffected at treatment rates
equivalent to an application rate of 0.888 lbs ai/A, the highest rate
tested.  However, only three monocot species were tested.  Corn (Zea
mays), a required test species, was not included in the study.  Onion
(Allium cepa), which typically represents non-graminoid monocot species
such as lilies and orchids, was also not included.  Among broadleaf
plants (dicots), cucumber (Cucumis sativus) was unaffected at the
highest rate tested, while fresh weight was affected in pea (Pisum
sativum) and sugarbeet (Beta vulgaris).  Emergence was the most
sensitive endpoint for carrot (Daucus carota), lettuce (Lactuca sativa),
oil seed rape (Brassica napus), and tomato (Solanum lycopersicum). 
Lettuce was the most sensitive dicot (EC25 = 0.0095 lbs ai/A); a NOAEC
was not established in the study, but the lettuce EC05 (0.0014 lbs ai/A)
is used in lieu of a NOAEC.  

Vegetative vigor testing (MRID 4748405) indicated that all species
tested except wheat (Triticum aestivum) and tomato were at least
somewhat sensitive to isoxaben.  Among monocots, ryegrass (Lolium
perenne) was particularly sensitive to isoxaben and was the most
sensitive species tested (EC25 = 0.014 lbs ai/A; NOAEC 0.0034 lbs ai/A. 
As with the seedling emergence study, only three monocot species were
tested.  Corn, a required test species, was not included in the study. 
Onion, which typically represents non-graminoid monocot species such as
lilies and orchids, was also not included. Among broadleaf plants,
cucumber was the most sensitive species, with an EC25 of 0.089 lbs ai/A,
and the NOAEC was 0.028 lbs ai/A.  Table 24 provides the most sensitive
endpoints from all plant species tested.

Table 24. The most sensitive terrestrial plant endpoints (lbs ai/A) in
the studies submitted for isoxaben.  

Species	Seedling emergernce	Vegetative vigor

	Endpoint	NOAEC	EC25	Endpoint	NOEC	EC25

Oat	None	0.888	>0.888	Fresh weight	0.0069	>0.888

Ryegrass	None	0.888	>0.888	Fresh weight	0.0034	0.014

Wheat	None	0.888	>0.888	None	0.888	>0.888

Oilseed rape	Emergence	0.020*	0.028	Survival	0.444	<0.888

Pea	Fresh weight	0.056	0.29	Fresh weight	0.056	>0.056

Cucumber	None	0.888	>0.888	Fresh weight	0.028	0.089

Carrot	Emergence	0.0138	0.043	Fresh weight	0.0034	0.888

Lettuce	Emergence	0.0014*	0.0095	Fresh weight	0.056	>0.888

Tomato	Emergence	0.0067	0.016	Fresh weight	0.888	>0.888

Sugarbeet	Fresh weight	0.056	0.073	None	0.444	0.73

*-EC05 is used when calculated EC25 is less than derived NOAEC.

	3. Ecological Incidents

Both the Agency’s Ecological Incident Information System (EIIS) and
the Avian Incident Monitoring System (AIMS;) were checked for incidents
involving isoxaben.  No incidents involving animals were reported in
either database as of 5/11/2010.

	Five incidents involving plants are reported for isoxaben in EIIS
(Table 25).  Four of the incidents have a certainty index of
‘Possible’ and one as ‘Unlikely’ to involve the use of isoxaben.
 The ‘Possible’ incidents span 1994 to 2003 and involved ornamental
and tree farm applications.  The reported numbers of affected plants
range from 298,346 to 676,000, and included woody plants.  All incidents
report the application rate as 1.0 lbs ai/A.  

Table 25.  Summary of incident information reported to the Agency as of
05/10/2010.

Incident ID	Use Site	Legality	Certainty	State	County	Year	Total No.
Total Area

I014702-017	Ornamental, woody	Registered use	Possible	CA	Santa Cruz	2003
35000	NR*

I013636-027	Ornamental	Registered use	Possible	OR	Washington	2002	NR	6
acres

I001485-001	Tree farm/plantation	Undetermined	Possible	NR	NR	1994	676000
NR

I010414-002	Ornamental	Registered Use	Possible	CA	Santa Cruz	2000	627405
6.5 acres

I006865-001	Nursery	Registered Use	Unlikely	OR	Multnomah	NR	298346	NR

*Not reported

IV.  Risk Characterization

A.  Risk Estimation 

	The risk quotient (RQ) approach, comparing the ratio of estimated
exposure concentrations (EECs) to toxicity endpoints with predetermined
levels of concern (LOC), is used in this assessment to estimate
potential risk.  If the RQs exceed the LOCs, the Agency presumes
potential for risk to the taxa.  These LOCs (Table 26) are the
Agency’s interpretive policy and are used to determine the need to
consider regulatory action by indicating whether a pesticide, used as
directed on the label, has the potential to cause adverse effects on
non-target organisms.  Although risk is often defined as the likelihood
and magnitude of adverse ecological effect, the risk quotient-based
approach does not provide a quantitative estimate of likelihood and/or
magnitude of an adverse effect.

Table 26.  Levels of concern (LOCs) for various taxa. 

Risk Presumption	RQ	LOC

Birds

	Acute Risk to Non-listed Species	EEC/LC50 or LD50/sqft or LD50/day	0.5

	Acute Restricted Use	EEC/LC50 or LD50/sqft or LD50/day (or LD50 < 50
mg/kg)	0.2

	Acute Risk to Endangered Species	EEC/LC50 or LD50/sqft or LD50/day	0.1

	Chronic Risk	EEC/NOAEC	1

Wild Mammals

	Acute Risk to Non-listed Species	EEC/LC50 or LD50/sqft or LD50/day	0.5

	Acute Restricted Use	EEC/LC50 or LD50/sqft or LD50/day (or LD50 < 50
mg/kg)	0.2

	Acute Risk to Endangered Species	EEC/LC50 or LD50/sqft or LD50/day	0.1

	Chronic Risk 	EEC/NOAEC	1

Aquatic Animals

	Acute Risk to Non-listed Species	EEC/LC50 or EC50	0.5

	Acute Restricted Use	EEC/LC50 or EC50	0.1

	Acute Risk to Endangered Species	EEC/LC50 or EC50	0.05

	Chronic Risk	EEC/NOAEC	1

Terrestrial and Semi-Aquatic Plants

	Acute Risk to Non-listed Species	EEC/EC25	1

	Acute Risk to Endangered Species	EEC/NOAEC or EC05	1

Aquatic Plants

	Acute Risk to Non-listed Species	EEC/EC50	1

	Acute Risk to Endangered Species	EEC/NOAEC or EC05	1

	

Aquatic 

	Isoxaben is soluble in water to 1.0 mg ai/L, and the measured
soncentrations in the aquatic studies were at this reported limit of
solubility.  The studies were conducted in the 1980s and did not attempt
to increase the solubility by use of a cosolvent, as recommend in
current protocols.  As previously mentioned, the reported nominal
concentrations for most of the studies was 100 mg ai/L, however no
precipitate was reported.  All aquatic studies are considered
supplemental.

Acute Fish

	Because the LC50 for fish is non-definitive (i.e.LC50 >0.86 mg ai/L),
RQs are not presented.  The EEC/LC50 ratio calculated with the highest
concentration tested for reference purposes (0.03) would not exceed the
LOC for risk of acute mortality to listed species.  Freshwater fish
serve as surrogates for aquatic-phase amphibians.  Since no mortality or
sublethal effects were reported in the any of the freshwater or
estuarine/marine fish studies, risk is considered low for these taxa.  

Chronic Fish

	No effects to freshwater fish from chronic exposure to isoxaben were
reported up to the maximum concentration tested for fathead minnows,
i.e. NOAEC=400 µg ai/L.   The maximum 60-day TTR EEC is 21.1 µg ai/L
and the resulting RQ is 0.05.  The chronic RQ for freshwater fish of
0.05 is two orders of magnitude below the chronic risk LOC of 1.0. 
There are no chronic toxicity data available for estuarine/marine fish,
so RQs cannot be calculated.  However, based on the available freshwater
fish data, no chronic effects to estuarine/marine fish are expected.

Acute Invertebrates

	Because the most sensitive acute LC50 or EC50 for across the aquatic
invertebrates (freshwater and estuarine/marine) is non-definitive (i.e.
Quahog clamEC50 >960 µg ai/L), individual RQs are not presented.  The
RQ calculated with the highest peak TTR EEC of 24.5 µg ai/L and the
non-definitive toxicity estimate for the clam is < 0.03 and would not
exceed the LOC (0.05) for acute riskto listed species.  While no
sublethal effects were seen daphnids or grass shrimp, 40% abnormal
larvae were reported in the clam study.  

Chronic Invertebrates

Based on the maximum 21-day TTR EEC of 22.7 µg ai/L and a 21-day life
cycle test with the cladoceran Daphnia magna NOAEC of 690 µg ai/L, the
highest chronic RQ value is 0.03.  The highest chronic RQ (0.03) for
freshwater invertebrates from the proposed uses does not exceed the
chronic risk LOC (1.0).  No effects were reported in the daphnid
life-cycle study.  No data for chronic exposure to estuarine/marine
species are available.  Given the developmental effects observed in the
acute Quahog clam study, there is uncertainty regarding the potential
chronic effects of isoxaben on estuarine/marine invertebrates.  As such,
risk to estuarine/marine invertebrates cannot be precluded.

Plants

	Frank effects on duckweed biomass were reported in all three studies
available.  Effects were roughly equivalent at both 7- and 14-days and
for both formulated product and TGAI.  The RQs (Table 27) based on the
most sensitive of the available endpoints exceeds both the listed and
nonlisted LOCs for the proposed uses.

Table 27.  RQs for aquatic vascular plants from the proposed uses of
isoxaben.

Proposed Use	Maximum TTR EEC

µg ai/L	Nonlisted

Species RQ

EC50 = 10 µg ai/L	Listed Species RQ

EC05=6 µg ai/L

Grapes	14.2	1.4	2.4

Bearing nut trees	22.2	2.2	3.7

	Appropriate endpoints for aquatic nonvascular plants are not available
for this assessment; therefore risk cannot be quantitatively assessed
and is presumed for these taxa.

Terrestrial Animals

Birds

Potential risks to birds are evaluated below.  Risk estimates for birds
are also used as surrogates for reptiles and terrestrial-phase
amphibians.  

Acute

	No acute toxic effects were observed in either acute oral or subacute
dietary studies with either mallard ducks or bobwhite quail.  The acute
and subacute endpoints for avian species are non-definitive (i.e. >
highest limit dose and dietary concentration tested), therefore RQs are
not presented.  Although ‘RQs’ calculated with the highest dose
tested in the acute oral study (2000 mg ai/kg-diet) would exceed the
acute risk LOC (0.1) for listed species foraging on short grass and
broadleaf plants/small insects the absence of any sign of toxicity among
the birds tested makes the likelihood of actual risk low.

Chronic

Because a NOAEC is not available for birds, potential risk cannot be
precluded.  For the proposed new uses, a reference RQ calculated with
the mallard chronic LOAEC (100 mg ai/kg-diet; Table 28) exceeds the
chronic risk LOC (1.0) for birds by more than two-fold for species
foraging on short grass.  Avian RQs are surrogates for terrestrial-phase
amphibians and reptiles.

Table 28.  Upper Bound Chronic Avian Dietary Based Risk Quotients

NOAEC (ppm)	EECs and RQs

	Short Grass	Tall Grass	Broadleaf Plants/

Small Insects	Fruits/Pods/

Seeds/

Large Insects

	EEC (ppm)	RQ	EEC (ppm)	RQ	EEC (ppm)	RQ	EEC (ppm)	RQ

100	240	>2.40*	110	>1.10*	135	>1.35*	15	>0.15

* bold indicates RQ exceeds chronic risk LOC (RQ≥1.0)

Mammals

Acute

	Although the acute oral LD50 for rats is nondefinitive and exceeds
10,000 mg ai/kg-bw, no mortality was observed in any of the treated
animals; therefore RQs are not presented.  Since isoxaben is considered
practically nontoxic to mammals on an acute oral exposure basis and no
sublethal effects were reported, risk is considered low.  

Chronic

	For the proposed new uses of isoxaben, dose-based chronic RQs exceed
the chronic risk LOC of 1.0 (Table 29) for all size classes of mammals
foraging on short grass, tall grass and broadleaf plant/small insects
except large (1000 g) mammals foraging on tall grass.  The RQ for small
mammals (15 g) foraging on short grass exceeds the LOC by more than
four-fold.  All chronic dietary–based RQs are below the chronic risk
LOC (Table 30). 

Table 29.  Upper Bound Kenaga, Chronic Mammalian Dose-Based Risk
Quotients.  EEC in ppm.

Size Class

(grams)	Adjusted NOAEL	EECs and RQs

Short Grass	Tall Grass	Broadleaf Plants/

Small Insects	Fruits/Pods/

Seeds/

Large Insects	Granivore

EEC	RQ	EEC	RQ	EEC	RQ	EEC	RQ	EEC	RQ

15	54.95	228.82	4.16a	104.88	1.91	128.71	2.34	14.30	0.26	3.18	0.06

35	44.46	158.15	3.56	72.48	1.63	88.96	2.00	9.88	0.22	2.20	0.05

1000	19.23	36.67	1.91	16.81	0.87	20.63	1.07	2.29	0.12	0.51	0.03

abold indicates RQ exceeds chronic risk LOC (RQ≥1.0)

Table 30.  Upper Bound Kenaga, Chronic Mammalian Dietary Based Risk
Quotients.  EEC in ppm.

NOAEC (ppm)	EECs and RQs

	Short Grass	Tall Grass	Broadleaf Plants/

Small Insects	Fruits/Pods/

Seeds/

Large Insects

	EEC	RQ	EEC	RQ	EEC	RQ	EEC	RQ

500	240.00	0.48	110.00	0.22	135.00	0.27	15.00	0.03

Size class not used for dietary risk quotients 

Terrestrial Plants

	 

The most sensitive monocot and dicot in the vegetative vigor and
seedling emergence studies are used to derive the RQs in TerrPlant.  In
the seedling emergence study, no monocots were affected; however, only
three species were included in the study, and they were all grasses. 
The most sensitive dicot was lettuce (EC25 = 0.0095 lbs ai/A).  Rye
grass is the most sensitive monocot in the vegetative vigor study (EC25
= 0.014 lbs ai/A) and pea is the most sensitive dicot, with an EC25
>0.056 lbs ai/A (NOAEC = 0.056 lbs ai/A).  

At the maximum seasonal application rate, RQs for both listed and
non-listed dicots exceed the risk to terrestrial plant LOC for species
exposed to runoff plus drift in adjacent upland and wetlands as well as
drift alone (Table 31).  The LOC for nonlisted plants is exceeded by
more than 11-fold and exceeded for listed species by over 78-fold.  The
RQ for listed monocots exceeds the risk to terrestrial plant LOC by
nearly 3-fold.

Table 31.  Risk quotients for plants and endangered terrestrial plants
for ground application of isoxaben at the maximum seasonal application
rate (1.0 lbs ai/A).1 

Terrestrial Plant Group	Ground Spray

	Adjacent uplands	Adjacent wetlands	Drift Only

Monocots	<0.1	0.12	0.71

Dicots	2.11	12	2.9

Listed Monocots	<0.1	0.12	1.0

Listed Dicots	14	79	7.1

1Bold values denote an exceedance of the LOC (RQ≥1.0).

B.  Risk Description 

	

	Isoxaben is characterized as a moderately persistent and mobile
compound.  Although primary routes of degradation include aqueous
photolysis, aerobic aqueous metabolism and anaerobic aqueous metabolism,
uncertainty regarding the potential toxicity of its residues increases
estimated environmental concentrations. Consistent with the risk
hypothesis, potential direct risk to both plant and animal species is
possible from the proposed uses of isoxaben.  Since risk to both aquatic
and terrestrial plants is indicated, indirect effects to other taxa may
occur.  Since the screening-level assessment uses few surrogate species
to estimate risk to all aquatic and terrestrial organisms, it is
possible that some species will be more sensitive than those tested. 

	Although the label is not explicit, the proposed uses are thought to be
ground spray, to avoid injury to the proposed uses on bearing nut
orchards and vineyards.  This assessment however, does not evaluate
aerial applications.  If the proposed uses are intended to be applied
aerially, the potential risk in this assessment will be under estimated.
 Risk in this document is calculated based on a single application of
1.0 lb ai/A, the total annual rate.  The label allows for two
applications at a lower rate, but additional modeling indicates that
this scenario has no appreciable effect on the risk estimates.

Since the acute aquatic studies reported endpoints greater than the
highest dose tested, RQs were not presented in the Risk Estimation
section.  However, there is uncertainty in the assessment.  The studies
did not attempt to increase the solubility of isoxaben in water beyond
the reported limit of solubility of 1.0 mg ai/L.  However, EECs were
modeled using a total toxic residue approach (TTR) because degradate
toxicity is unknown.  Therefore, EECs are thought to be conservative and
as such are likely to be protective for aquatic species.

No adverse effects were reported in the either the acute or chronic
toxicity studies of fish, therefore risk to fish is thought to be low. 
Although chronic exposure data are not available for estuarine/marine
fish, the absence of effects in the available acute and chronic studies
suggests effects are likely to be minimal.  Also, since isoxaben has
limited solubility in freshwater, its solubility in salt water is likely
to be lower than that in freshwater and as a result make it less likely
of causing adverse effects.

The sublethal effects reported in the acute exposure estuarine/marine
clam study, i.e., 40% abnormal larvae at the highest dose tested,
suggest that isoxaben may have an effect on sensitive aquatic
invertebrates.  Abnormal larvae were defined in the study as number of
normal larvae minus total number of larvae.  Although the clam is an
estuarine/marine species, it may represent freshwater mollusc species
more sensitive to isoxaben than daphnids.  ‘RQs’ calculated with
highest test concentration are <0.02 and are below the acute risk LOC
for listed aquatic invertebrates.  Because of these sublethal effects in
the acute clam study and in the absence of estuarine/marine chronic
toxicity data, the potential for chronic effects cannot be precluded for
estuarine/marine invertebrates.  

There is potential for the proposed uses of isoxaben to adversely affect
aquatic vascular plant based on frank effects seen in the submitted
studies.  The RQ for listed aquatic vascular species exceeds the LOC
nearly four-fold for the bearing nut tree use, based on a relatively
conservative scenario.  In less vulnerable areas, the LOC exceedance
will be less, proportional to the lower EEC.

	Isoxaben is classified as practically nontoxic to birds on an acute
oral exposure basis and no effects were reported at the highest dose
tested.  Given the absence of effects in the acute oral and subacute
dietary studies, acute and subacute risks to birds are considered to be
low.   

	The lack of a chronic NOAEC for avian species (mallards) means that
potential risk from chronic exposure to birds is assumed.  The RQ
calculated with the LOAEC (100 mg ai/kg-diet) from the mallard duck
study exceeds the chronic risk LOC of 1.0 by more than two-fold.  No
effects were reported in the bobwhite quail reproduction study.  There
was a great deal of variability in the mallard duck study’s controls
and the study was marginally considered supplemental.  Additionally,
both studies lacked important growth endpoints.  

While risk of mortality from acute exposure to isoxaben is expected to
be low for mammals from the proposed uses of isoxaben, chronic risk is
indicated.  Although dietary-based RQs do not exceed the chronic risk
LOC of 1.0, dose-based RQs exceed the LOC by over four-fold for small
mammals foraging on short grass.  The dose-based calculation takes into
account that different-sized animals have to consume different amounts
of food and that the food itself has differing nutritional value. 
Overall, small- and medium-sized mammals foraging on short grass, tall
grass and broadleaf plants/small insects exceed the chronic risk LOC, as
do large mammals foraging on short grass and broadleaf plants/small
insects. 

Given that risk from chronic exposure from the proposed uses of isoxaben
is indicated for birds (and surrogates) and mammals, this route of
exposure is a primary concern for these taxa.  This assessment is based
on a single application at the seasonal maximum application rate, but
the label allows for up to two applications per season.  Two
applications of isoxaben at 0.5 lbs ai/A seven days apart does not
appreciably change the risk estimates using the default foliar
dissipation half-life.  However, if the foliar dissipation half-life
was, hypothetically, found to be 3 days, two applications of 0.5 lbs
ai/A would roughly halve the chronic RQs.  Reducing the application rate
by one half also reduces the RQs by one half, but there are still
exceedances.  

There is uncertainty with respect to the species chosen for testing and
their relative sensitivity compared to the range in potential
sensitivities found in the ecosystem.  Animal species selected for
toxicity testing have generally been selected for their ease of
husbandry in laboratory environments.  It is possible that exposed
species will be more or less sensitive to isoxaben than wild type
species.  The predominant direction of this uncertainty is unknown.

Although considered a preemergent herbicide, isoxaben may injure plants
in later stages of development as well.  Although the seedling emergence
RQs, derived from runoff plus drift, are much higher than those for
drift alone, derived using the vegetative vigor endpoint, RQs for dicots
and listed monocots exceed the risk to terrestrial plant LOC.  While
grasses do not appear to be affected by isoxaben based on seedling
emergence, some grasses appear to be susceptible to injury by isoxaben
at later growth stages. 

Although sublethal effects on growth are used to calculate RQs for
nontarget plants, only ten crop species are used to estimate
phytotoxicity to the entire terrestrial plant population, including
trees, mosses, ferns, etc.  It is uncertain how well the tested species
represent the sensitivity distribution of the terrestrial plants as a
whole that may come in contact with isoxaben.  Additionally, since
chronic and reproductive effects in particular are not evaluated at this
time, the sublethal endpoints should be considered the best available
indication of potentially critical effects to individual plant species
and plant communities.

	Runoff is a major factor in nontarget terrestrial plant exceedances
based on TerrPlant.  It is difficult to estimate how far from the
application site adverse effects may occur.  While RQs cannot be
directly used to estimate the magnitude or likelihood of effects, it is
true that lower application rates result in lower EECs.  However, given
the LOC for listed dicots would be exceeded more than 79-fold at a
single application of 1.0 lbs ai/A, even with a reduction in application
rate the potential for nontarget plant effects would remain.  

It is also important to consider that modeled runoff is only compared to
endpoints from the seedling emergence study.  The method of pesticide
application in the guideline studies allows for analysis of effects to
seedlings from both spray drift and runoff, but the vegetative vigor
studies can only be analyzed for effects from spray drift.  The
potential for effects on older plants, such as those in the vegetative
vigor study, from runoff through stem contact or root uptake remains an
uncertainty and plant risk may be underestimated in this assessment. 

There is uncertainty with respect to the species chosen for testing and
their relative sensitivity compared to the range in potential plant
sensitivities found in the ecosystem.  Plants tested are crop plants,
typically subjected to hundreds of years of human selection.  It is
possible that crop species will be more or less sensitive to isoxaben
than native wild type species.  The predominant direction of this
uncertainty is unknown.  The only monocots tested were grass species
(Family: Poaceae), which are generally not sensitive to isoxaben at the
application rates tested.  Typically, onion (Family: Liliaceae) is the
tested species representing the other monocot families (e.g.
Orchidaceae, Smilacaceae).  The lack of a second monocot family tested
results in considerable uncertainty about the potential risk to
non-grass species. 

Effects to sensitive trees and other perennial species may occur that
cannot be accounted for by current modeling and phytotoxicity studies. 
Changes in plant community composition may occur due to differences in
species sensitivity.  Such changes could lead to local reductions in
biodiversity and influence animal species through changes in available
habitat and preferred food sources.

The drift RQs in TerrPlant are based on estimated exposure roughly 200
feet from the application site, and exceed the LOC by over 7-fold for
listed nontarget plants.  The AgDRIFT model was used to refine the
potential effect of isoxaben drift to nontarget plants.  Ground
applications at the total annual application rate, 1.0 lbs ai/A, were
modeled for all of the species in the seedling emergence and vegetative
vigor studies (Table 32).  This table indicates the distance from the
edge of the application area where the RQ for that endpoint falls below
the risk to terrestrial plant LOCs.  For the most sensitive species,
lettuce, effects on seedling emergence may be seen at out to 249 ft from
the application area, and beyond 997 ft for listed species.  For
vegetative vigor, effects may be seen out to 174 ft from the application
area, and out to 554 ft for listed species.  

Table 32 Distance (feet) from the edge of field where the RQ falls below
the risk to terrestrial plant LOC for seedling emergence endpoints for
ground application, based on AgDRIFT EECs.

Plant Species	Seedling Emergence	Vegetative vigor

	Listed	Nonlisted	Listed	Nonlisted

Oat	3.3	<3.3	325	<3.3

Ryegrass	3.3	<3.3	554	174

Wheat	3.3	<3.3	3.3	<3.3

Oilseed rape	125	92	6.6	>3.3

Pea	46	10	46	<46

Cucumber	3.3	<3.3	92	30

Carrot	177	49	554	<3.3

Lettuce	>997	249	46	<3.3

Tomato	331	154	3.3	<3.3

Sugarbeet	46	36	6.6	3.3

	The distance estimates are derived using EFED’s AgDRIFT default
values, which include the use of a high-boom (50 in height) ground
application and ASABE droplet size spectrum ‘very fine to fine’. 
However, herbicides are often applied with larger droplets sizes and the
proposed use sites, bearing nut orchards and vineyards, together with
the use of isoxaben as a preemergent herbicide, suggest these may be
highly conservative assumptions.  AgDRIFT modeling was also conducted
using low boom (20 in height) and ASAE droplet size spectrum ‘fine to
medium/coarse’.  Using these parameters, the longest distance to an
exposure value equal to the vegetative vigor NOAEC is 144 ft and to the
seedling emergence NOAEC is 430 ft.  While this is still a considerable
distance from the edge of the application area, it is appreciably less
than the undefined >997 ft distance predicted using the default
parameters.  

	Adding addition uncertainty to the drift estimates is the assumption of
the model of a bare ground fetch for the wind to traverse before
carrying the droplets out to the predicted distance.  While this is an
uncertainty regardless of the application of the model, the assumption
is less likely to be true for many of the bearing nut orchards.  Most of
these orchards feature a fairly dense stand of trees with a relatively
closed canopy, which would presumably alter the flow of air across the
application site.  Therefore, even the estimate of 430 ft may be very
conservative for many (but not all) of the proposed application sites. 
Large tree orchards (e.g. pecans) and vineyards are less likely to have
the degree of air flow interruption as the smaller tree orchards (e.g.
apples).

Because isoxaben is moderately persistant and moderately mobile,
contamination of ground water used as irrigation was considered as a
possible route of exposure to terrestrial plants.  The highest estimated
groundwater concentration value from SciGrow (14.5 ppb) applied in one
inch of water on an acre of land corresponds to an application rate of
0.0032 lbs ai/A, roughly one third of the most sensitive terrestrial
plant endpoint, lettuce seedling emergence (Appendix A).  Therefore,
this route of exposure is not expected to pose a significant risk to
nontarget terrestrial plants.  However, should this estimated ground
water concentration result in exposure to aquatic plants via ground
water recharge, the aquatic plants may be affected.  

No incidents involving animals have been reported to the Agency's EIIS
database, and no incidents involving birds are reported in the AIMS
database.  However, the absence of reported incidents should not be
construed as the absence of incidents.  Incident reports for non-target
organisms typically provide information only on mortality events and
plant damage.  Sublethal effects in organisms such as abnormal behavior,
reduced growth and/or impaired reproduction are rarely reported, except
for phytotoxic effects in terrestrial plants.  EPA’s changes in the
registrant reporting requirements for incidents in 1998 may account for
lack of reported incidents.  Registrants are now only required to submit
detailed information on ‘major’ fish, wildlife, and plant incidents.
 Minor fish, wildlife, and plant incidents, as well as all other
non-target incidents, are generally reported aggregately and are not
included in EIIS.  In addition, there have been changes in State
monitoring efforts due to a lack of resources.  However, the incident
data discussed earlier suggest that, at least for plants, exposure
pathways for isoxaben are complete and that exposure levels are
sufficient to result in field-observable effects.

As required under FFDCA section 408(p), EPA has developed the Endocrine
Disruptor Screening Program (EDSP) to determine whether certain
substances (including pesticide active and other ingredients) may have
an effect in humans or wildlife similar to an effect produced by a
“naturally occurring estrogen, or other such endocrine effects as the
Administrator may designate.”  The EDSP employs a two-tiered approach
to making the statutorily required determinations. Tier 1 consists of a
battery of 11 screening assays to identify the potential of a chemical
substance to interact with the estrogen, androgen, or thyroid (E, A, or
T) hormonal systems.  Chemicals that go through Tier 1 screening and are
found to have the potential to interact with E, A, or T hormonal systems
will proceed to the next stage of the EDSP where EPA will determine
which, if any, of the Tier 2 tests are necessary based on the available
data. Tier 2 testing is designed to identify any adverse endocrine
related effects caused by the substance, and establish a dose-response
relationship between the dose and the E, A, or T effect.

Between October 2009 and February 2010, EPA issued test orders/data
call-ins for the first group of 67 chemicals, which contains 58
pesticide active ingredients and 9 inert ingredients.  This list of
chemicals was selected based on the potential for human exposure through
pathways such as food and water, residential activity, and certain
post-application agricultural scenarios.  This list should not be
construed as a list of known or likely endocrine disruptors.

Isoxaben is not among the group of 58 pesticide active ingredients on
the initial list to be screened under the EDSP.  Under FFDCA sec. 408(p)
the Agency must screen all pesticide chemicals.  Accordingly, EPA
anticipates issuing future EDSP test orders/data call-ins for all
pesticide active ingredients. 

For further information on the status of the EDSP, the policies and
procedures, the list of 67 chemicals, the test guidelines and the Tier 1
screening battery, please visit our website:    HYPERLINK
"http://www.epa.gov/endo/"  http://www.epa.gov/endo/ .

C. Uncertainties and Data Gaps

	The aerobic soil metabolism study upon which this assessment is based
was conducted on four foreign soils.  The study was classified as
supplemental, as all of the soils were foreign and it was unclear if
they were comparable to soils in the United States, adding to the
uncertainty of how quickly isoxaben degrades in an aerobic soil
environment.  A study conducted on soils from the United States would
provide better clarity on the degradation of isoxaben and confirm the
results obtain herein.  However, using a TTR modeling approach and
employing the 90th percentile of the upper confidence bound on the mean
of the five TTR half-life values reduces the level of uncertainty in the
conservative nature of the EEC estimates.

Several studies were submitted to fulfill the adsorption/desorption data
requirement.  MRID 00164645 was classified as not acceptable for a
number of reasons, primarily because the leaching was not continuous and
done in a timely manner, a complete material balance was not provided,
and the soil samples were not analyzed for residues.  MRID 00132124 was
classified as unacceptable for a number for reasons, primarily because
isoxaben and its transformation products were not identified after
aging, prior to leaching, or after leaching.  MRID 41106303 was reviewed
in 1990 and classified as acceptable, provided the “toxicology branch
determines that degradates other than 201469 (hydoxyisoxaben) are not of
toxicological concern.”  For the drinking water and ecological risk
assessments, the degradates hydroxyisoxaben, dimethoxybenzamide,
methoxyphenylpyrimidinol, and amino ethyl methyl (AEM) hexenoylisoxaben
were not expected to be more toxic to humans than the parent compound,
but data were not available to exclude them as residues of concern.  As
such, mobility data on isoxaben and its degradates of concern would
provide better clarity on the mobility of isoxaben and its degradates
and confirm the results obtain herein. Alternatively, toxicity data
which precludes the degradates hydroxyisoxaben, dimethoxybenzamide,
methoxyphenylpyrimidinol, and AEM hexenoylisoxaben as residues of
concern would eliminate the need for mobility data for the isoxaben
degradates and a new mobility study.

The bioconcentration study for isoxaben residues accumulated in bluegill
was classified as supplemental because isoxaben residues were
incompletely characterized and residues in the whole fish tissue were
not determined experimentally.  While the relatively low Kow and these
bioconcentration factors in fish suggest that isoxaben is not expected
to accumulate in aquatic or terrestrial food chains, an acceptable study
would reduce uncertainty with regards to aquatic exposure effects.

	There is also uncertainty associated with the ability of the aquatic
exposure modeling to simulate aquatic exposures as well as in the
selection of input parameters.  In this regard, one of the potentially
important parameters that can impact concentration estimates is the
selection of appropriate application dates.  Although the pesticide
application dates were selected to be most appropriate with
considerations for application recommendations, model simulated cropping
dates, and label restrictions, variability nevertheless results because
the the time span that a pesticide may likely be applied may be large
and the actual application dates are unknown.  Such variability is
caused by the temporal proximity of a pesticide application to rain
events.  As with all model estimates, the values presented here should
not be viewed as precise estimates.

V.  Federally Threatened and Endangered (Listed) Species 

Chronic risk to estuarine/marine invertebrates is presumed due to lack
of data and sublethal effects in an acute study.  Risk to aquatic
vascular and terrestrial plants is indicated.  In addition to listed
plant species risk, the Agency considers the LOC exceedances as
indicative of a potential for secondary (indirect) adverse effects to
those listed species that rely either on a specific plant species (plant
species obligate) or multiple plant species (plant dependant) for some
important aspect of their life cycle (indirect effects).  Indirect
effects may include general habitat modification, host plant loss, and
food supply disruption.  Further analysis regarding the overlap of
individual species with each use site is required prior to determining
the likelihood of potential impact to listed species.  Such a refinement
is outlined in the following sections.

	a.	Action Area

For listed species assessment purposes, the action area is considered to
be the area affected directly or indirectly by the Federal action and
not merely the immediate area involved in the action.  At the initial
screening level, the risk assessment considers broadly described
taxonomic groups and so conservatively assumes that listed species
within those broad groups are co-located with the pesticide treatment
area.  This means that terrestrial plants and wildlife are assumed to be
located on or adjacent to the treated site and aquatic organisms are
assumed to be located in a surface water body adjacent to the treated
site.  The assessment also assumes that the listed species are located
within an assumed area, which has the relatively highest potential
exposure to the pesticide, and that exposures are likely to decrease
with distance from the treatment area.   

If the assumptions associated with the screening-level action area
result in RQs that are below the listed species LOCs, a "no effect"
determination conclusion could be made with respect to listed species in
that taxa, and no further refinement of the action area is necessary. 
Furthermore, RQs below the listed species LOCs for a given taxonomic
group indicate no concern for indirect effects upon listed species that
depend upon the taxonomic group covered by the RQ as a resource. 
However, in situations where the screening assumptions lead to RQs in
excess of the listed species LOCs for a given taxonomic group, a "may
affect" designation cannot be precluded and may be associated with
direct effects on listed species belonging to that taxonomic group or
may extend to indirect effects upon listed species that depend upon that
taxonomic group as a resource.  In such cases, additional information on
the biology of listed species, the locations of these species, and the
locations of use sites need to be considered along with available
information on the fate and transport properties of the pesticide to
determine the extent to which screening assumptions regarding an action
area apply to a particular listed organism.  These subsequent refinement
steps could delineate how this information would impact the action area
for a particular listed organism and may potentially include areas of
exposure that are downwind and downstream of the pesticide use site.

	b.	Taxonomic Groups Potentially at Risk 

The RQs calculated based on the ratio of EECs to toxicity endpoints
exceed the LOC in this case the chronic exposure endpoints for bird and
mammals and the NOAEC values from aquatic and terrestrial plant toxicity
studies. Should estimated exposure levels occur in proximity to listed
resources, direct risk to listed birds, terrestrial-phase amphibians,
reptiles, mammals and plant species and indirect effects on animal
species (aquatic and terrestrial; Table 34) are possible.  Appendix C
provides a count-by-state listing of species for each taxon that may be
affected by this action.  This screening-level assessment is based on
the initial assumption that listed species within the taxonomic groups
of concern are actually present in areas for which the estimated
exposure levels used for RQ calculation can be expected to occur.  A
specific determination for any RQ in excess of listed species LOCs
cannot be made until a determination of the co-occurrence of the listed
species with the action area has been determined.  This was not done for
this assessment.

Table 33.  Potential Listed Species Risks Associated with Direct or
Indirect Effects Due to the Proposed Application of Isoxaben on Grapes
and Bearing Nut Trees.

Listed Taxon	Direct Effects	Indirect Effects

Terrestrial and semi-aquatic plants - monocots	Yes	Yes1

Terrestrial and semi-aquatic plants - dicots	Yes	Yes1

Birds	Yes	Yes1

Terrestrial-phase amphibians	Yes	Yes1

Terrestrial invertebrates	Yes	Yes1

Reptiles	Yes	Yes1

Mammals	Yes	Yes1

Aquatic vascular plants	Yes	Yes1

Aquatic nonvascular plants	No	Yes1

Freshwater fish	No	Yes1

Aquatic-phase amphibians	No	Yes1

Freshwater invertebrates	No	Yes1

Mollusks	No	Yes1

Marine/estuarine fish	No	Yes1

Marine/estuarine crustaceans	Yes	Yes1

1Nonlisted LOC exceeded for terrestrial plants, therefore there is
potential for adverse effects to those species that rely either on a
specific plant species or multiple plant species.  Plant indirect
effects may include general habitat modification, host plant loss, and
food supply disruption.

		c.	Indirect Effects Analysis 

Because terrestrial plant RQs are above risk to non-endangered species
LOCs, there is a potential for adverse effects to those listed species
that are plant species obligates or plant dependant for some important
aspect of their life cycle.  The extent to that the new uses of isoxaben
will indirectly affect listed animal species will require identification
of listed species that co-occur in areas of isoxaben use and an
evaluation of critical habit as described below.  Because of the
potential extent of the use of isoxaben, EFED cannot preclude the
possibility of a ‘likely to adversely affect’ designation for listed
species based on this assessment.

	d.	Critical Habitat

The screening-level risk assessment has identified potential concerns
for direct and indirect effects on listed species associated with action
areas where isoxaben is used.  In light of the potential for effects on
listed species, the next step for EPA and the Services is to identify
which listed species and critical habitat are potentially implicated. 
Analytically, the identification of such species and critical habitat
can occur in either of two ways.  First, the agencies could determine
whether the action area overlaps critical habitat or the occupied range
of each listed species.  If so, EPA would examine the potential impact
of the use of isoxaben on listed species and whether impacts on
non-endangered species would affect the listed species indirectly or
directly affect a constituent element of the critical habitat.  Then EPA
would determine whether use of the pesticide overlaps the critical
habitat or the occupied range of those listed species.  At present, the
information reviewed by EPA does not permit use of either analytical
approach to make a definitive identification of species that are
potentially impacted indirectly or critical habitats that are
potentially impacted directly by the use of the pesticide.  EPA and the
Services will work together to conduct the necessary analysis.

	e.	Co-occurrence Analysis

The goal of the analysis for co-location is to determine whether sites
of pesticide use are geographically associated with known locations of
listed species.  At the screening level, this analysis is accomplished
using the Agency’s LOCATES (v. 2.10.3) database.  The database uses
location information for listed species at the county level and compares
it to agricultural census data for crop production at the same county
level of resolution.  The database contains Federally-listed species
that are located within states known to produce the crop upon which the
pesticide will be used.  Because the screening-level assessment
considers both direct and indirect effects across generic taxonomic
groupings, it is not possible to exclude any taxonomic group from a
LOCATES database query for a screening-level risk assessment. 
Therefore, a ‘may affect’ designation cannot be precluded for listed
animals based on this assessment.

VI.  Literature Cited

FEMVTA. 2001. FIFRA Environmental Model Validation Task Force, Final
Report. Editors: Jones, R.L. and M.H. Russell. Available online at:  
HYPERLINK "http://femvtf.com/femvtf/index.htm" 
http://femvtf.com/femvtf/index.htm .

Fletcher, J.S., J.E. Nellessen, T.G. Pfleeger.  1994.  Literature review
and evaluation of the EPA food-chain (Kenaga) nomogram, an instrument
for estimating pesticide residues on plants.  Environ. Tox. Chem.
13:1383-1391.

Hoerger, F. and E.E. Kenaga.  1972.  Pesticide residues on plants:
Correlation of representative data as a basis for estimation of their
magnitude in the environment.  In F. Coulston and F. Korte, eds.,
Environmental Quality and Safety: Chemistry, Toxicology, and Technology,
Georg Thieme Publ, Stuttgart, West Germany, pp. 9-28.  Support Document
#14. 

Salihue, S., Hatzios, K.K., Derr, J.F. 1998. Comparative Uptake,
Translocation, and Metabolism of Root-Applied Isoxaben in Ajuga (Ajuga
reptans) and Two Ornamental Euonymus Species. Pesticide Biochemistry and
Physiology, 60:2 pp. 119-131

USEPA.  1998.  Guidelines for Ecological Risk Assessment.  Risk
Assessment Forum, Office of Research and Development,  Washington, D.C. 
EPA/630/R-95/002F.  April 1998.

USEPA. 2004b. Overview of the Ecological Risk Assessment Process in the
Office of Pesticide Programs. U.S. Environmental Protection Agency,
Office of Prevention, Pesticide and Toxic Substances, Office of
Pesticide Programs. 

US EPA. 2006. Standard Soil Mobility Classification Guidance. U.S.
Environmental Protection Agency, Office of Pesticide Programs,
Environmental Fate and Effects Division. April 21, 2006.

USEPA. 2009. Guidance for Selecting Input Parameters in Modeling the
Environmental Fate and Transport of Pesticides, Version 2.1, October 22,
2009. Office of Pesticide Programs, Environmental Fate and Effects
Division.

USEPA. 2010. Memorandum from George Kramer to Isoxaben Risk Assessment
Team. Isoxaben.  Report of the Residues of Concern Knowledgebase
Subcommittee (ROCKS). March 31, 2010. 

Willis, G. H. and L..L. McDowell, 1987.  Pesticide Persistence on
Foliage. in Reviews of Environmental Contamination and Toxicology. 
100:23-73.

MRIDS

MRID 00250449

Mosier, J.W. and Saunders, D.G. 1983. Hydrolysis of EL- 107 in buffer
solution. A Chapter within: EL-1 07. Application for 2-year EUP.
Unpublished study conducted by Lilly Research Laboratories, Greenfield,
Indiana. Sponsored and submitted by Elanco Products Company, A Division
of Eli Lilly and Company, Indianapolis, Indiana. Report No.:
I-EWD-82-05. Final report issued June 9, 1983.

MRID 40059506

Rutherford, B. 1986. Physical and Chemical Characteristics of Technical
Isoxaben. Laboratory Project ID BSR8506. Unpublished study performed and
submitted by Lilly Research Laboratories, Greenfield, IN.  Final report
issued October 22, 1986.

MRID 46393201

Sarff, P. and L.G. Heim. Anaerobic soil degradation of isoxaben. 2003.
Unpublished study performed by ABC Laboratories, Inc., Columbia, MO;
sponsored and submitted by Dow AgroSciences LLC, Indianapolis, IN. ABC
Study No.: 46880, Dow study No.: 010045 and Dow PTRNo.: 30258020-5562-1.
Final report issued May 23, 2003.

MRID 46393202

Sarff, P. 2003. Aerobic transformation of isoxaben in aquatic sediment
systems. Unpublished study performed by ABC Laboratories, Inc.,
Columbia, MO and Dow AgroSciences LLC, Indianapolis, IN; sponsored and
submitted by Dow AgroSciences LLC, Indianapolis, IN. ABC Study No.: 4688
1, Dow AgroSciences Study No.: 010044 and Dow AgroSciences PTR No.:
30258020-5037-1. Final report issued May 23, 2003.

MRID 41106302

Rainey, D.P. 1989. 14C Isoxaben anaerobic soil metabolism study.
Laboratory Project ID ABC-0224. Unpublished study performed and
submitted by Lilly Research Laboratories, Greenfield, IN.  Final report
issued May 4, 1989.

MRID 41106303

Saunders, D.G. and F.L. Powers. 1989. Soil adsorption and desorption of
isoxaben and soil metabolite 201469. Laboratory Project ID AAC8851.
Unpublished study performed and submitted by Lilly Research
Laboratories, Greenfield, IN.   Final report issued March 21, 1989.

MRID 47140003

Cook, W.L., F.R. Batzer and J.L. Balcer. Photodegradation of isoxaben in
aqueous buffer. Unpublished study performed, sponsored and submitted by
DowEIanco, Indianapolis, Indiana. Study ID No.: ENV93 144. Final report
issued March 25, 1996.

MRID 47140004

Huhtanen, K. and L. Heim. 2003. Aerobic soil degradation of isoxaben.
Unpublished study performed b ABC Laboratories, Inc., Columbia,
Missouri; sponsored and submitted by Dow AgroSciences LLC, Indianapolis,
Indiana. Lab Study ID.: 46879, Dow Study No. 010043. Final report issued
May 12, 2003.

MRID 47428403

Saunders, D.G., and F.L. Powers. 1996. Isoxaben photodegradation on
soil. Unpublished study performed, sponsored, and submitted by
DowElanco, Indianapolis, Laboratory Study ID No.: ENV95011. Final report
issued March 20, 1996.

MRID:  130273

Citation:  Uniroyal Chemical (1983) Bee Adult Toxicity Dusting Test
Summary. (Compilation; unpublished study received Jun 22, 1983 under
400-EX-62; CDL:250574-A) 

MRID:  132140

Citation:  Elanco Products Co. (1982) The Toxicity of EL-107 (Compound
121607) in Short-term Exposure Studies with Representative Wildlife
Species: ?Summary of Toxicity Data|.  (Compilation; unpublished study
received Jun 10, 1983 under 1471-EX-85; CDL:250793-F) 

MRID:  132141

Citation:  Kehr, C.; Lake, S.; Brannon, D.; et al. (1983) The Toxicity
of EL-107 (Compound 121607) to Bobwhite in a 14-day Acute Oral Study:
Study A00682.  (Unpublished study received Jun 10, 1983 under
1471-EX-85; submitted by Elanco Products Co., Div. of Eli Lilly and Co.,
Indianapolis, IN; CDL:250793-G) 

MRID:  132142

Citation:  Kehr, C.; Lake, S.; Bronnon, D.; et al. (1983) The Toxicity
of EL- 107 (Compound 121607) to Bobwhite in a 5-day Dietary Study: Study
A01082.  (Unpublished study received Jun 10, 1983 under 1471-EX-85;
submitted by Elanco Products Co., Div. of Eli Lilly and Co.,
Indianapolis, IN; CDL:250793-H) 

MRID:  132143

Citation:  Kehr, C.; Lake, S.; Brannon, D.; et al. (1983) The Toxicity
of EL- 107 (Compound 121607) to Mallards in a 5-day Dietary Study: Study
A00882.  (Unpublished study received Jun 10, 1983 under 1471-EX-85;
submitted by Elanco Products Co., Div. of Eli Lilly and Co.,
Indianapolis, IN; CDL:250793-I) 

MRID:  132144

Citation:  Francis, P.; Grothe, D.; Lake, S.; et al. (1983) The Acute
Toxicity of EL-107 (Compound 121607) to ... in a Static Test System:
Study C02182.  (Unpublished study received Jun 10, 1983 under
1471-EX-85; submitted by Elanco Products Co., Div. of Eli Lilly and Co.,
Indianapolis, IN; CDL:250793-J) 

MRID:  132145

Citation:  Grothe, D.; Francis, P.; Lake, S.; et al. (1983) The Acute
Toxicity of EL-107 (Compound 121607) to Bluegill ... in a Static Test
System: Study F07382.  (Unpublished study received Jun 10, 1983 under
1471-EX-85; submitted by Elanco Products Co., Div. of Eli Lilly and Co.,
Indianapolis, IN; CDL:250793-K) 

MRID:  132146

Citation:  Grothe, D.; Francis, P.; Lake, S.; et al. (1983) The Acute
Toxicity of EL-107 (Compound 121607) to Rainbow Trout ... in a Static
Test System: Study F07482.  (Unpublished study received Jun 10, 1983
under 1471-EX-85; submitted by Elanco Products Co., Div. of Eli Lilly
and Co., Indianapolis, IN; CDL:250793-L) 

MRID:  137844

Citation:  Francis, P.; Grothe, D.; Lake, S.; et al. (1984) The Acute
Toxicity of EL-107 (Compound 121607) to the Japanese Carp (Cyprinus
carpio) in a Static Test System: Study F10383.  (Unpublished study
received Apr 5, 1984 under 1471-EX-85; submitted by Elanco Prod- ucts
Co., Div. of Eli Lilly and Co., Indianapolis, IN; CDL: 252915-A) 

MRID:  137845

Citation:  Francis, P.; Grothe, D.; Lake, S.; et al. (1984) The Toxicity
of EL-107 to Daphnia magna in a 21-Day Static-renewal Life Cycle: Study
CO3683.  (Unpublished study received Apr 5, 1984 under 1471-EX-85;
submitted by Elanco Products Co., Div. of Eli Lilly and Co.,
Indianapolis, IN; CDL:252915-B) 

MRID:  137847

Citation:  Meyerhoff, R.; Sauter, S.; Lake, S.; et al. (1983) The
Toxicity of EL-107 in Water to Rainbow Trout (Salmo gairdneri) in a 66-
day Early Life-stage Study: Study F00383.  (Unpublished study received
Apr 5, 1984 under 1471-EX-85; submitted by Elanco Products Co., Div. of
Eli Lilly and Co., Indianapolis, IN; CDL: 252915-D) 

MRID:  137848

Citation:  Sauter, S.; Meyerhoff, R.; Lake, S.; et al. (1983) The
Toxicity of EL-107 in Water to Fathead Minnows (Pimephales promelas) in
a 33-day Early Life-stage Study: Study F08183.  (Unpublished study
received Apr 5, 1984 under 1471-EX-85; submitted by Elanco Products Co.,
Div. of Eli Lilly and Co., Indianapolis, IN; CDL: 252915-E) 

MRID:  40531302

Citation:  Surprenant, D.; Dionne, E. (1987) Acute Toxicity of Isoxaben
to Embryo-larval Stages of the Quahog Clam (Mercenaria mercenaria):
Study #1982.0787.6100.514.  Unpublished study prepared by Springborn
Life Sciences, Inc.  25 p. 

MRID:  40531303

Citation:  Gries, C.; Grothe, D.; Mohr, R. (1987) Acute Toxicity of
Isoxaben to the Grass Shrimp (Palaemonetes pugio) in a Static Test
System: Proj. ID C01387.  Unpublished study prepared by Lilly Research
Laboratories.  33 p. 

MRID:  40531304

Citation:  Gries, C.; Grothe, D.; Seacat, J. (1987) Acute Toxicity of
Isoxaben to the Sheepshead minnow (Cyprinodon variegatus) in a Static
Test System: Proj. ID. FO1587.  Unpublished study prepared by Lilly
Research Laboratories.  36 p. 

MRID:  47140011

Citation:  Billington, R. (1996) Isoxaben (EL-107): Toxicology Summary. 
Project Number: RB103196.  Unpublished study prepared by Dowelanco Ltd. 
29 p.

MRID:  47428401

Citation:  Hoberg, J. (2002) Isoxaben TGAI- Toxicity to Duckweed, Lemna
gibba.  Project Number: 12550/6159, 011193.  Unpublished study prepared
by Springborn Laboratories Inc.  62 p.

MRID:  47428404

Citation:  Eley, R. (2004) Evaluation of the Phytotoxicity of Flexidor
(Isoxaben, 500 SC) Seedling Emergence and Seedling Growth Test- Northern
Europe, 2004.  Project Number: ACE/04/077, 10000134, EA04T4A003. 
Unpublished study prepared by AgroChemex Ltd.  45 p.

MRID:  47428405

Citation:  Rockliff, C. (2006) Evaluation of the Phytotoxicity of
Flexidor (Isoxaben, 500g ai/l, SC) GLP Vegetative Vigour Test
Terrestrial Non Target Plant Study.  Project Number: STC/06/E309,
GHE/P/11418, 10000134.  Unpublished study prepared byStockbridge
Technology Centre Ltd.  116 p.

 

APPENDIX A. Calculations for Irrigation Exposure

To estimate exposure to plants when ground water contaminated by
isoxaben is applied to crops, the following method was used.

Assume a field is irrigated with one inch of water containing 14.5 µg/L
isoxaben (concentration estimate from SCI-GROW).

This results in 6,272,640 cubic inches of water on each acre of the
field (one acre = 6,272,640 in2), or 1.0 × 105 L/acre of water
(6,272,640 in3 ÷ 61 in3/L = 1.0 × 105 L).  Therefore, 1.45 × 106 µg
isoxaben are applied to each acre of the field (14.5 µg/L × 1.0 × 105
L = 1.45 × 106 µg), which is equivalent to an application rate of 3.2
× 10-3 lbs isoxaben/acre (1.45 × 106 µg = 3.2 × 10-3 lbs).

Appendix B. Chemical Names and Structures of isoxaben and degradation
products detected in submitted environmental fate studies

Name(s)	Structure	Occurrence	Fate Properties1

Dimethoxy benzamide

 	Aqueous photolysis (major)

Aerobic Aquatic Metabolism (major)

Anaerobic Aquatic Metabolism (major)

Soil Photolysis (minor)	VP = 1.6x10-5 torr

Sol = 8.4x104 mg/L

Log KOW = -0.22

KOC = 4.9 – 10 mL/g

Hydroxy isoxaben 

Pseudonyms- AA-045

 	Aerobic Soil Metabolism (major)

Anaerobic Soil Metabolism (major)

Aerobic Aquatic Metabolism (minor)

Terrestrial Field Dissipation	VP = 9.8x10-12 torr

Sol = 462 mg/L

Log KOW = 1.53

KOC = 17 – 31 mL/g

KOC = 21 – 73

 (MRID 4110603)

Methoxyphenol pyrimidinol

 	Anaerobic Aquatic Metabolism (major)

Aerobic Aquatic Metabolism (minor)	VP = 4x10-10 torr

Sol = 41.2 mg/L

Log KOW = 3.56

KOC = 4800 – 38,000 mL/g

AEM hexenoyl isoxaben

 	Anaerobic Aquatic Metabolism (major)

Aerobic Aquatic Metabolism (minor)	VP = 3.1x10-13 torr

Sol = 265 mg/L

Log KOW = 1.71

KOC = 21 - 102 mL/g

Unk32

	Aqueous Photolysis (major)	VP = 5.6x10-8 torr

Sol = 853 mg/L

Log KOW = 2.0	

KOC = 80 – 113 mL/g

Unk3i2

	Aqueous Photolysis (major)	VP = 3.8x10-6 torr

Sol = 698 mg/L

Log KOW = 2.8	

KOC = 51 – 126 mL/g

Unk5a2

	Aqueous Photolysis (major)	VP = 2.0x10-10 torr

Sol = 29 mg/L

Log KOW = 2.85	

KOC = 222 – 228 mL/g

Unk5b2

	Aqueous Photolysis (major)	VP = 1.3x10-10 torr

Sol = 2221 mg/L

Log KOW = 0.65	

KOC = 12 – 331 mL/g

1. Fate properties for degradates estimated using EPISuite 4.0.

2. Names and structures presented in table were proposed by the study
authors based on Fourier transform infrared spectroscopy (FTIR) and
nuclear magnetic resonance (NMR) identification of structural and
functional group changes.Appendix C. LOCATES Listing of Federally
Listed Species

	Species Listing by State with Use Criteria

	No species were excluded

	Minimum of 1 Acre.

	All Medium Types Reported

	Mammal, Marine mml, Bird, Amphibian, Reptile, Fish, Crustacean,
Bivalve, 

	Gastropod, Arachnid, Insect, Dicot, Monocot, Ferns, Conf/cycds, Coral,
Lichen

	almonds, hazelnuts (filberts), macadamia nuts, nuts - other, pecans,
pistachios, walnuts, 

	english, grapes

	Alabama	( 86) species:	Taxa	Critical Habitat

	Salamander, Flatwoods	Threatened	Amphibian	No

	(Ambystoma cingulatum)	Freshwater, Vernal pool, Terrestrial

	Salamander, Red Hills	Threatened	Amphibian	No

	(Phaeognathus hubrichti)	Freshwater, Terrestrial

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Stork, Wood	Endangered	Bird	No

	(Mycteria americana)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Combshell, Southern (=Penitent mussel)	Endangered	Bivalve	No

	(Epioblasma penita)	Freshwater

	Combshell, Upland	Endangered	Bivalve	Yes

	(Epioblasma metastriata)	Freshwater

	Kidneyshell, Triangular	Endangered	Bivalve	Yes

	(Ptychobranchus greenii)	Freshwater

	Mucket, Orangenacre	Threatened	Bivalve	Yes

	(Lampsilis perovalis)	Freshwater

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

	Mussel, Acornshell Southern	Endangered	Bivalve	Yes

	(Epioblasma othcaloogensis)	Freshwater

	Mussel, Alabama Moccasinshell	Threatened	Bivalve	Yes

	(Medionidus acutissimus)	Freshwater

	Mussel, Coosa Moccasinshell	Endangered	Bivalve	Yes

	(Medionidus parvulus)	Freshwater

	Mussel, Cumberland Combshell	Endangered	Bivalve	Yes

	(Epioblasma brevidens)	Freshwater

	Mussel, Dark Pigtoe	Endangered	Bivalve	Yes

	(Pleurobema furvum)	Freshwater

	Mussel, Fine-lined Pocketbook	Threatened	Bivalve	Yes

	(Lampsilis altilis)	Freshwater

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	Alabama	( 86) species:	Taxa	Critical Habitat

	Mussel, Fine-rayed Pigtoe	Endangered	Bivalve	No

	(Fusconaia cuneolus)	Freshwater

	Mussel, Flat Pigtoe (=Marshall's Mussel)	Endangered	Bivalve	No

	(Pleurobema marshalli)	Freshwater

	Mussel, Heavy Pigtoe (=Judge Tait's Mussel)	Endangered	Bivalve	No

	(Pleurobema taitianum)	Freshwater

	Mussel, Heelsplitter Inflated	Threatened	Bivalve	No

	(Potamilus inflatus)	Freshwater

	Mussel, Ovate Clubshell	Endangered	Bivalve	Yes

	(Pleurobema perovatum)	Freshwater

	Mussel, Ring Pink (=Golf Stick Pearly)	Endangered	Bivalve	No

	(Obovaria retusa)	Freshwater

	Mussel, Rough Pigtoe	Endangered	Bivalve	No

	(Pleurobema plenum)	Freshwater

	Mussel, Shiny Pigtoe	Endangered	Bivalve	No

	(Fusconaia cor)	Freshwater

	Mussel, Shiny-rayed Pocketbook	Endangered	Bivalve	No

	(Lampsilis subangulata)	Freshwater

	Mussel, Southern Clubshell	Endangered	Bivalve	Yes

	(Pleurobema decisum)	Freshwater

	Mussel, Southern Pigtoe	Endangered	Bivalve	Yes

	(Pleurobema georgianum)	Freshwater

	Pearlymussel, Alabama Lamp	Endangered	Bivalve	No

	(Lampsilis virescens)	Freshwater

	Pearlymussel, Cracking	Endangered	Bivalve	No

	(Hemistena lata)	Freshwater

	Pearlymussel, Cumberland Monkeyface	Endangered	Bivalve	No

	(Quadrula intermedia)	Freshwater

	Pearlymussel, Orange-footed	Endangered	Bivalve	No

	(Plethobasus cooperianus)	Freshwater

	Pearlymussel, Pale Lilliput	Endangered	Bivalve	No

	(Toxolasma cylindrellus)	Freshwater

	Pearlymussel, Turgid-blossom	Endangered	Bivalve	No

	(Epioblasma turgidula)	Freshwater

	Pearlymussel, White Wartyback	Endangered	Bivalve	No

	(Plethobasus cicatricosus)	Freshwater

	Stirrupshell	Endangered	Bivalve	No

	(Quadrula stapes)	Freshwater

	Shrimp, Alabama Cave	Endangered	Crustacean	No

	(Palaemonias alabamae)	Freshwater

	Amphianthus, Little	Threatened	Dicot	No

	(Amphianthus pusillus)	Freshwater

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	Alabama	( 86) species:	Taxa	Critical Habitat

	Barbara Buttons, Mohr's	Threatened	Dicot	No

	(Marshallia mohrii)	Terrestrial

	Bladderpod, Lyrate	Threatened	Dicot	No

	(Lesquerella lyrata)	Terrestrial

	Clover, Leafy Prairie	Endangered	Dicot	No

	(Dalea foliosa)	Terrestrial

	Harperella	Endangered	Dicot	No

	(Ptilimnium nodosum)	Freshwater

	Leather-flower, Alabama	Endangered	Dicot	No

	(Clematis socialis)	Terrestrial

	Leather-flower, Morefield's	Endangered	Dicot	No

	(Clematis morefieldii)	Terrestrial

	Pitcher-plant, Alabama Canebrake	Endangered	Dicot	No

	(Sarracenia rubra alabamensis)	Freshwater, Terrestrial

	Pitcher-plant, Green	Endangered	Dicot	No

	(Sarracenia oreophila)	Terrestrial, Freshwater

	Potato-bean, Price's	Threatened	Dicot	No

	(Apios priceana)	Terrestrial

	Fern, Alabama Streak-sorus	Threatened	Ferns	No

	(Thelypteris pilosa var. alabamensis)	Terrestrial

	Fern, American hart's-tongue	Threatened	Ferns	No

	(Asplenium scolopendrium var. americanum)	Terrestrial

	Quillwort, Louisiana	Endangered	Ferns	No

	(Isoetes louisianensis)	Freshwater, Terrestrial

	Cavefish, Alabama	Endangered	Fish	Yes

	(Speoplatyrhinus poulsoni)	Freshwater

	Chub, Spotfin	Threatened	Fish	Yes

	(Erimonax monachus)	Freshwater

	Darter, Boulder	Endangered	Fish	No

	(Etheostoma wapiti)	Freshwater

	Darter, Goldline	Threatened	Fish	No

	(Percina aurolineata)	Freshwater

	Darter, Slackwater	Threatened	Fish	Yes

	(Etheostoma boschungi)	Freshwater

	Darter, Snail	Threatened	Fish	No

	(Percina tanasi)	Freshwater

	Darter, Vermilion	Endangered	Fish	No

	(Etheostoma chermocki)	Freshwater

	Darter, Watercress	Endangered	Fish	No

	(Etheostoma nuchale)	Freshwater

	Madtom, Yellowfin	Threatened	Fish	Yes

	(Noturus flavipinnis)	Freshwater

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	Alabama	( 86) species:	Taxa	Critical Habitat

	Sculpin, Pygmy	Threatened	Fish	No

	(Cottus paulus (=pygmaeus))	Freshwater

	Shiner, Blue	Threatened	Fish	No

	(Cyprinella caerulea)	Freshwater

	Shiner, Cahaba	Endangered	Fish	No

	(Notropis cahabae)	Freshwater

	Shiner, Palezone	Endangered	Fish	No

	(Notropis albizonatus)	Freshwater

	Sturgeon, Alabama	Endangered	Fish	No

	(Scaphirhynchus suttkusi)	Freshwater

	Sturgeon, Gulf	Threatened	Fish	Yes

	(Acipenser oxyrinchus desotoi)	Saltwater, Freshwater

	Campeloma, Slender	Endangered	Gastropod	No

	(Campeloma decampi)	Freshwater

	Elimia, Lacy	Threatened	Gastropod	No

	(Elimia crenatella)	Freshwater

	Pebblesnail, Flat	Endangered	Gastropod	No

	(Lepyrium showalteri)	Freshwater

	Riversnail, Anthony's	Endangered	Gastropod	No

	(Athearnia anthonyi)	Freshwater

	Rocksnail, Painted	Threatened	Gastropod	No

	(Leptoxis taeniata)	Freshwater

	Rocksnail, Plicate	Endangered	Gastropod	No

	(Leptoxis plicata)	Freshwater

	Rocksnail, Round	Threatened	Gastropod	No

	(Leptoxis ampla)	Freshwater

	Snail, Armored	Endangered	Gastropod	No

	(Pyrgulopsis (=Marstonia) pachyta)	Freshwater

	Snail, Lioplax Cylindrical	Endangered	Gastropod	No

	(Lioplax cyclostomaformis)	Freshwater

	Snail, Tulotoma	Endangered	Gastropod	No

	(Tulotoma magnifica)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Mouse, Alabama Beach	Endangered	Mammal	Yes

	(Peromyscus polionotus ammobates)	Terrestrial, Coastal (neritic)

	Mouse, Perdido Key Beach	Endangered	Mammal	Yes

	(Peromyscus polionotus trissyllepsis)	Coastal (neritic)

	Grass, Tennessee Yellow-eyed	Endangered	Monocot	No

	(Xyris tennesseensis)	Terrestrial

6/5/2010 11:51:17 AM   Ver. 2.10.4	Page 4 of 92

	Alabama	( 86) species:	Taxa	Critical Habitat

	Trillium, Relict	Endangered	Monocot	No

	(Trillium reliquum)	Terrestrial

	Water-plantain, Kral's	Threatened	Monocot	No

	(Sagittaria secundifolia)	Freshwater

	Sea turtle, loggerhead	Threatened	Reptile	No

	(Caretta caretta)	Saltwater

	Snake, Eastern Indigo	Threatened	Reptile	No

	(Drymarchon corais couperi)	Terrestrial

	Tortoise, Gopher	Threatened	Reptile	No

	(Gopherus polyphemus)	Terrestrial

	Turtle, Alabama Red-bellied	Endangered	Reptile	No

	(Pseudemys alabamensis)	Terrestrial, Freshwater

	Turtle, Flattened Musk	Threatened	Reptile	No

	(Sternotherus depressus)	Freshwater, Terrestrial

	Arizona	( 56) species:	Taxa	Critical Habitat

	Frog, Chiricahua Leopard	Threatened	Amphibian	No

	(Rana chiricahuensis)	Freshwater, Terrestrial

	Salamander, Sonora Tiger	Endangered	Amphibian	No

	(Ambystoma tigrinum stebbinsi)	Vernal pool, Freshwater, Terrestrial

	Bobwhite, Masked	Endangered	Bird	No

	(Colinus virginianus ridgwayi)	Terrestrial

	Condor, California	Endangered	Bird	Yes

	(Gymnogyps californianus)	Terrestrial

	Eagle, Bald	Threatened	Bird	No

	(Haliaeetus leucocephalus)	Terrestrial

	Falcon, Northern Aplomado	Endangered	Bird	No

	(Falco femoralis septentrionalis)	Terrestrial

	Flycatcher, Southwestern Willow	Endangered	Bird	Yes

	(Empidonax traillii extimus)	Terrestrial

	Owl, Mexican Spotted	Threatened	Bird	Yes

	(Strix occidentalis lucida)	Terrestrial

	Pygmy-owl, Cactus Ferruginous	Endangered	Bird	No

	(Glaucidium brasilianum cactorum)	Terrestrial

	Rail, Yuma Clapper	Endangered	Bird	No

	(Rallus longirostris yumanensis)	Terrestrial

	Blue-star, Kearney's	Endangered	Dicot	No

	(Amsonia kearneyana)	Terrestrial

	Cactus, Arizona Hedgehog	Endangered	Dicot	No

	(Echinocereus triglochidiatus var. arizonicus)	Terrestrial

	Cactus, Brady Pincushion	Endangered	Dicot	No

	(Pediocactus bradyi)	Terrestrial

	Cactus, Cochise Pincushion	Threatened	Dicot	No

	(Coryphantha robbinsorum)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 5 of 92

	Arizona	( 56) species:	Taxa	Critical Habitat

	Cactus, Nichol's Turk's Head	Endangered	Dicot	No

	(Echinocactus horizonthalonius var. nicholii)	Terrestrial

	Cactus, Pima Pineapple	Endangered	Dicot	No

	(Coryphantha scheeri var. robustispina)	Terrestrial

	Cactus, Siler Pincushion	Threatened	Dicot	No

	(Pediocactus (=Echinocactus,=Utahia) sileri)	Terrestrial

	Cliffrose, Arizona	Endangered	Dicot	No

	(Purshia (=cowania) subintegra)	Terrestrial

	Cycladenia, Jones	Threatened	Dicot	No

	(Cycladenia jonesii (=humilis))	Terrestrial

	Fleabane, Zuni	Threatened	Dicot	No

	(Erigeron rhizomatus)	Terrestrial

	Groundsel, San Francisco Peaks	Threatened	Dicot	Yes

	(Senecio franciscanus)	Terrestrial

	Milk-vetch, Holmgren	Endangered	Dicot	No

	(Astragalus holmgreniorum)	Terrestrial

	Milk-vetch, Sentry	Endangered	Dicot	No

	(Astragalus cremnophylax var. cremnophylax)	Terrestrial

	Milkweed, Welsh's	Threatened	Dicot	Yes

	(Asclepias welshii)	Terrestrial

	Umbel, Huachuca Water	Endangered	Dicot	Yes

	(Lilaeopsis schaffneriana var. recurva)	Terrestrial, Freshwater

	Catfish, Yaqui	Threatened	Fish	Yes

	(Ictalurus pricei)	Freshwater

	Chub, Bonytail	Endangered	Fish	Yes

	(Gila elegans)	Freshwater

	Chub, Gila	Endangered	Fish	Yes

	(Gila intermedia)	Freshwater

	Chub, Humpback	Endangered	Fish	Yes

	(Gila cypha)	Freshwater

	Chub, Sonora	Threatened	Fish	Yes

	(Gila ditaenia)	Freshwater

	Chub, Virgin River	Endangered	Fish	Yes

	(Gila seminuda (=robusta))	Freshwater

	Chub, Yaqui	Endangered	Fish	Yes

	(Gila purpurea)	Freshwater

	Minnow, Loach	Threatened	Fish	Yes

	(Tiaroga cobitis)	Freshwater

	Pupfish, Desert	Endangered	Fish	Yes

	(Cyprinodon macularius)	Freshwater

	Shiner, Beautiful	Threatened	Fish	Yes

	(Cyprinella formosa)	Freshwater

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 6 of 92

	Arizona	( 56) species:	Taxa	Critical Habitat

	Spikedace	Threatened	Fish	Yes

	(Meda fulgida)	Freshwater

	Spinedace, Little Colorado	Threatened	Fish	Yes

	(Lepidomeda vittata)	Freshwater

	Squawfish, Colorado	Endangered	Fish	Yes

	(Ptychocheilus lucius)	Freshwater

	Sucker, Razorback	Endangered	Fish	Yes

	(Xyrauchen texanus)	Freshwater

	Topminnow, Gila (Yaqui)	Endangered	Fish	No

	(Poeciliopsis occidentalis)	Freshwater

	Trout, Apache	Threatened	Fish	No

	(Oncorhynchus apache)	Freshwater

	Trout, Gila	Endangered	Fish	No

	(Oncorhynchus gilae)	Freshwater

	Woundfin	Endangered	Fish	Yes

	(Plagopterus argentissimus)	Freshwater

	Ambersnail, Kanab	Endangered	Gastropod	No

	(Oxyloma haydeni kanabensis)	Freshwater, Terrestrial

	Bat, Lesser (=Sanborn's) Long-nosed	Endangered	Mammal	No

	(Leptonycteris curasoae yerbabuenae)	Subterraneous, Terrestrial

	Ferret, Black-footed	Endangered	Mammal	No

	(Mustela nigripes)	Terrestrial

	Jaguar	Endangered	Mammal	No

	(Panthera onca)	Terrestrial

	Jaguarundi, Sinaloan	Endangered	Mammal	No

	(Herpailurus (=Felis) yagouaroundi tolteca)	Terrestrial

	Ocelot	Endangered	Mammal	No

	(Leopardus (=Felis) pardalis)	Terrestrial

	Pronghorn, Sonoran	Endangered	Mammal	No

	(Antilocapra americana sonoriensis)	Terrestrial

	Squirrel, Mount Graham Red	Endangered	Mammal	Yes

	(Tamiasciurus hudsonicus grahamensis)	Terrestrial

	Vole, Hualapai Mexican	Endangered	Mammal	No

	(Microtus mexicanus hualpaiensis)	Terrestrial

	Ladies'-tresses, Canelo Hills	Endangered	Monocot	No

	(Spiranthes delitescens)	Terrestrial

	Sedge, Navajo	Threatened	Monocot	Yes

	(Carex specuicola)	Terrestrial

	Rattlesnake, New Mexican Ridge-nosed	Threatened	Reptile	Yes

	(Crotalus willardi obscurus)	Terrestrial

	Tortoise, Desert	Threatened	Reptile	Yes

	(Gopherus agassizii)	Terrestrial

	Arkansas	( 22) species:	Taxa	Critical Habitat

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 7 of 92

	Arkansas	( 22) species:	Taxa	Critical Habitat

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Fatmucket, Arkansas	Threatened	Bivalve	No

	(Lampsilis powelli)	Freshwater

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

	Mussel, Scaleshell	Endangered	Bivalve	No

	(Leptodea leptodon)	Freshwater

	Mussel, Speckled Pocketbook	Endangered	Bivalve	No

	(Lampsilis streckeri)	Freshwater

	Pearlymussel, Fat Pocketbook	Endangered	Bivalve	No

	(Potamilus capax)	Freshwater

	Rock-pocketbook, Ouachita (=Wheeler's pm)	Endangered	Bivalve	No

	(Arkansia wheeleri)	Freshwater

	Crayfish, Cave (Cambarus aculabrum)	Endangered	Crustacean	No

	(Cambarus aculabrum)	Freshwater

	Crayfish, Cave (Cambarus zophonastes)	Endangered	Crustacean	No

	(Cambarus zophonastes)	Freshwater

	Bladderpod, Missouri	Threatened	Dicot	No

	(Lesquerella filiformis)	Terrestrial

	Fruit, Earth (=geocarpon)	Threatened	Dicot	No

	(Geocarpon minimum)	Terrestrial

	Harperella	Endangered	Dicot	No

	(Ptilimnium nodosum)	Freshwater

	Pondberry	Endangered	Dicot	No

	(Lindera melissifolia)	Terrestrial

	Cavefish, Ozark	Threatened	Fish	No

	(Amblyopsis rosae)	Freshwater

	Darter, Leopard	Threatened	Fish	Yes

	(Percina pantherina)	Freshwater

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Shagreen, Magazine Mountain	Threatened	Gastropod	No

	(Mesodon magazinensis)	Terrestrial

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 8 of 92

	Arkansas	( 22) species:	Taxa	Critical Habitat

	Bat, Ozark Big-eared	Endangered	Mammal	No

	(Corynorhinus (=Plecotus) townsendii ingens)	Terrestrial, Subterraneous

	California	( 290) species:	Taxa	Critical Habitat

	Frog, California Red-legged	Threatened	Amphibian	Yes

	(Rana aurora draytonii)	Terrestrial, Freshwater

	Frog, Mountain Yellow-legged	Endangered	Amphibian	No

	(Gopherus agassizii)	Terrestrial, Freshwater

	Salamander, California Tiger	Endangered	Amphibian	No

	(Ambystoma californiense)	Terrestrial, Vernal pool

	Salamander, Desert Slender	Endangered	Amphibian	No

	(Batrachoseps aridus)	Freshwater, Terrestrial

	Salamander, Santa Cruz Long-toed	Endangered	Amphibian	No

	(Ambystoma macrodactylum croceum)	Freshwater, Vernal pool, Terrestrial

	Toad, Arroyo Southwestern	Endangered	Amphibian	Yes

	(Bufo californicus (=microscaphus))	Freshwater, Terrestrial

	Condor, California	Endangered	Bird	Yes

	(Gymnogyps californianus)	Terrestrial

	Flycatcher, Southwestern Willow	Endangered	Bird	Yes

	(Empidonax traillii extimus)	Terrestrial

	Gnatcatcher, Coastal California	Threatened	Bird	Yes

	(Polioptila californica californica)	Terrestrial

	Murrelet, Marbled	Threatened	Bird	Yes

	(Brachyramphus marmoratus marmoratus)	Freshwater, Terrestrial,
Saltwater

	Owl, Northern Spotted	Threatened	Bird	Yes

	(Strix occidentalis caurina)	Terrestrial

	Plover, Western Snowy	Threatened	Bird	Yes

	(Charadrius alexandrinus nivosus)	Terrestrial

	Rail, California Clapper	Endangered	Bird	No

	(Rallus longirostris obsoletus)	Terrestrial

	Rail, Light-footed Clapper	Endangered	Bird	No

	(Rallus longirostris levipes)	Terrestrial

	Rail, Yuma Clapper	Endangered	Bird	No

	(Rallus longirostris yumanensis)	Terrestrial

	Shrike, San Clemente Loggerhead	Endangered	Bird	No

	(Lanius ludovicianus mearnsi)	Terrestrial

	Sparrow, San Clemente Sage	Threatened	Bird	No

	(Amphispiza belli clementeae)	Terrestrial

	Tern, California Least	Endangered	Bird	No

	(Sterna antillarum browni)	Terrestrial

	Towhee, Inyo Brown	Threatened	Bird	Yes

	(Pipilo crissalis eremophilus)	Terrestrial

	Vireo, Least Bell's	Endangered	Bird	Yes

	(Vireo bellii pusillus)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 9 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Cypress, Gowen	Threatened	Conf/cycds	No

	(Cupressus goveniana ssp. goveniana)	Terrestrial

	Cypress, Santa Cruz	Endangered	Conf/cycds	No

	(Cupressus abramsiana)	Terrestrial

	Crayfish, Shasta	Endangered	Crustacean	No

	(Pacifastacus fortis)	Freshwater

	Fairy Shrimp, Conservancy Fairy	Endangered	Crustacean	Yes

	(Branchinecta conservatio)	Vernal pool

	Fairy Shrimp, Longhorn	Endangered	Crustacean	Yes

	(Branchinecta longiantenna)	Vernal pool

	Fairy Shrimp, Riverside	Endangered	Crustacean	Yes

	(Streptocephalus woottoni)	Vernal pool

	Fairy Shrimp, San Diego	Endangered	Crustacean	Yes

	(Branchinecta sandiegonensis)	Vernal pool

	Fairy Shrimp, Vernal Pool	Threatened	Crustacean	Yes

	(Branchinecta lynchi)	Vernal pool

	Shrimp, California Freshwater	Endangered	Crustacean	No

	(Syncaris pacifica)	Freshwater

	Tadpole Shrimp, Vernal Pool	Endangered	Crustacean	Yes

	(Lepidurus packardi)	Vernal pool

	Adobe Sunburst, San Joaquin	Threatened	Dicot	No

	(Pseudobahia peirsonii)	Terrestrial

	Allocarya, Calistoga	Endangered	Dicot	No

	(Plagiobothrys strictus)	Vernal pool

	Ambrosia, San Diego	Endangered	Dicot	No

	(Ambrosia pumila)	Terrestrial

	Baccharis, Encinitas	Threatened	Dicot	No

	(Baccharis vanessae)	Terrestrial

	Barberry, Island	Endangered	Dicot	No

	(Berberis pinnata ssp. insularis)	Terrestrial

	Barberry, Nevin's	Endangered	Dicot	No

	(Berberis nevinii)	Terrestrial

	Bedstraw, El Dorado	Endangered	Dicot	No

	(Galium californicum ssp. sierrae)	Terrestrial

	Bedstraw, Island	Endangered	Dicot	No

	(Galium buxifolium)	Terrestrial

	Bird's-beak, Palmate-bracted	Endangered	Dicot	No

	(Cordylanthus palmatus)	Terrestrial

	Bird's-beak, Pennell's	Endangered	Dicot	No

	(Cordylanthus tenuis ssp. capillaris)	Terrestrial

	Bird's-beak, salt marsh	Endangered	Dicot	No

	(Cordylanthus maritimus ssp. maritimus)	Saltwater

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 10 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Bird's-beak, Soft	Endangered	Dicot	No

	(Cordylanthus mollis ssp. mollis)	Brackish, Saltwater

	Bladderpod, San Bernardino Mountains	Endangered	Dicot	Yes

	(Lesquerella kingii ssp. bernardina)	Terrestrial

	Bluecurls, Hidden Lake	Threatened	Dicot	No

	(Trichostema austromontanum ssp. compactum)	Terrestrial

	Broom, San Clemente Island	Endangered	Dicot	No

	(Lotus dendroideus ssp. traskiae)	Terrestrial

	Buckwheat, Cushenbury	Endangered	Dicot	Yes

	(Eriogonum ovalifolium var. vineum)	Terrestrial

	Buckwheat, Ione (incl. Irish Hill)	Endangered	Dicot	No

	(Eriogonum apricum (incl. var. prostratum))	Terrestrial

	Buckwheat, Southern Mountain Wild	Threatened	Dicot	No

	(Eriogonum kennedyi var. austromontanum)	Terrestrial

	Bush-mallow, San Clemente Island	Endangered	Dicot	No

	(Malacothamnus clementinus)	Terrestrial

	Bush-mallow, Santa Cruz Island	Endangered	Dicot	No

	(Malacothamnus fasciculatus var. nesioticus)	Terrestrial

	Butterweed, Layne's	Threatened	Dicot	No

	(Senecio layneae)	Terrestrial

	Button-celery, San Diego	Endangered	Dicot	No

	(Eryngium aristulatum var. parishii)	Terrestrial

	Cactus, Bakersfield	Endangered	Dicot	No

	(Opuntia treleasei)	Terrestrial

	Ceanothus, Coyote	Endangered	Dicot	No

	(Ceanothus ferrisae)	Terrestrial

	Ceanothus, Pine Hill	Endangered	Dicot	No

	(Ceanothus roderickii)	Terrestrial

	Ceanothus, Vail Lake	Threatened	Dicot	No

	(Ceanothus ophiochilus)	Terrestrial

	Centaury, Spring-loving	Threatened	Dicot	Yes

	(Centaurium namophilum)	Terrestrial

	Checker-mallow, Keck's	Endangered	Dicot	Yes

	(Sidalcea keckii)	Terrestrial

	Checker-mallow, Kenwood Marsh	Endangered	Dicot	No

	(Sidalcea oregana ssp. valida)	Terrestrial

	Checker-mallow, Pedate	Endangered	Dicot	No

	(Sidalcea pedata)	Terrestrial

	Clarkia, Pismo	Endangered	Dicot	No

	(Clarkia speciosa ssp. immaculata)	Terrestrial

	Clarkia, Presidio	Endangered	Dicot	No

	(Clarkia franciscana)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 11 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Clarkia, Springville	Threatened	Dicot	No

	(Clarkia springvillensis)	Terrestrial

	Clarkia, Vine Hill	Endangered	Dicot	No

	(Clarkia imbricata)	Terrestrial

	Clover, Fleshy Owl's	Threatened	Dicot	Yes

	(Castilleja campestris ssp. succulenta)	Vernal pool

	Clover, Monterey	Endangered	Dicot	No

	(Trifolium trichocalyx)	Terrestrial

	Clover, Showy Indian	Endangered	Dicot	No

	(Trifolium amoenum)	Terrestrial

	Coyote-thistle, Loch Lomond	Endangered	Dicot	No

	(Eryngium constancei)	Terrestrial

	Crownbeard, Big-leaved	Threatened	Dicot	No

	(Verbesina dissita)	Terrestrial

	Crownscale, San Jacinto Valley	Endangered	Dicot	No

	(Atriplex coronata var. notatior)	Terrestrial

	Daisy, Parish's	Threatened	Dicot	Yes

	(Erigeron parishii)	Freshwater

	Dudleya, Conejo	Threatened	Dicot	No

	(Dudleya abramsii ssp. parva)	Terrestrial

	Dudleya, Marcescent	Threatened	Dicot	No

	(Dudleya cymosa ssp. marcescens)	Terrestrial

	Dudleya, Santa Clara Valley	Endangered	Dicot	No

	(Dudleya setchellii)	Terrestrial

	Dudleya, Santa Cruz Island	Threatened	Dicot	No

	(Dudleya nesiotica)	Terrestrial

	Dudleya, Santa Monica Mountains	Threatened	Dicot	No

	(Dudleya cymosa ssp. ovatifolia)	Terrestrial

	Dudleya, Verity's	Threatened	Dicot	No

	(Dudleya verityi)	Terrestrial

	Dwarf-flax, Marin	Threatened	Dicot	No

	(Hesperolinon congestum)	Terrestrial

	Evening-primrose, Antioch Dunes	Endangered	Dicot	Yes

	(Oenothera deltoides ssp. howellii)	Terrestrial

	Evening-primrose, Eureka Valley	Endangered	Dicot	No

	(Oenothera avita ssp. eurekensis)	Terrestrial

	Evening-primrose, San Benito	Threatened	Dicot	No

	(Camissonia benitensis)	Terrestrial

	Fiddleneck, Large-flowered	Endangered	Dicot	Yes

	(Amsinckia grandiflora)	Terrestrial

	Flannelbush, Mexican	Endangered	Dicot	No

	(Fremontodendron mexicanum)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 12 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Flannelbush, Pine Hill	Endangered	Dicot	No

	(Fremontodendron californicum ssp. decumbens)	Terrestrial

	Fringepod, Santa Cruz Island	Endangered	Dicot	No

	(Thysanocarpus conchuliferus)	Terrestrial

	Gilia, Hoffmann's Slender-flowered	Endangered	Dicot	No

	(Gilia tenuiflora ssp. hoffmannii)	Terrestrial

	Gilia, Monterey	Endangered	Dicot	No

	(Gilia tenuiflora ssp. arenaria)	Terrestrial

	Golden Sunburst, Hartweg's	Endangered	Dicot	No

	(Pseudobahia bahiifolia)	Terrestrial

	Goldfields, Burke's	Endangered	Dicot	No

	(Lasthenia burkei)	Terrestrial

	Goldfields, Contra Costa	Endangered	Dicot	Yes

	(Lasthenia conjugens)	Terrestrial

	Grass, Hairy Orcutt	Endangered	Dicot	Yes

	(Orcuttia pilosa)	Vernal pool

	Grass, Sacramento Orcutt	Endangered	Dicot	Yes

	(Orcuttia viscida)	Vernal pool

	Grass, Slender Orcutt	Threatened	Dicot	Yes

	(Orcuttia tenuis)	Vernal pool

	Gumplant, Ash Meadows	Threatened	Dicot	Yes

	(Grindelia fraxino-pratensis)	Terrestrial

	Ivesia, Ash Meadows	Threatened	Dicot	Yes

	(Ivesia kingii var. eremica)	Terrestrial

	Jewelflower, California	Endangered	Dicot	No

	(Caulanthus californicus)	Terrestrial

	Jewelflower, Tiburon	Endangered	Dicot	No

	(Streptanthus niger)	Terrestrial

	Larkspur, Baker's	Endangered	Dicot	Yes

	(Delphinium bakeri)	Terrestrial

	Larkspur, San Clemente Island	Endangered	Dicot	No

	(Delphinium variegatum ssp. kinkiense)	Terrestrial

	Larkspur, Yellow	Endangered	Dicot	Yes

	(Delphinium luteum)	Terrestrial

	Layia, Beach	Endangered	Dicot	No

	(Layia carnosa)	Terrestrial, Coastal (neritic)

	Lessingia, San Francisco	Endangered	Dicot	No

	(Lessingia germanorum (=L.g. var. germanorum))	Terrestrial

	Liveforever, Laguna Beach	Threatened	Dicot	No

	(Dudleya stolonifera)	Terrestrial

	Liveforever, Santa Barbara Island	Endangered	Dicot	No

	(Dudleya traskiae)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 13 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Lupine, Clover	Endangered	Dicot	No

	(Lupinus tidestromii)	Coastal (neritic)

	Lupine, Nipomo Mesa	Endangered	Dicot	No

	(Lupinus nipomensis)	Coastal (neritic)

	Malacothrix, Island	Endangered	Dicot	No

	(Malacothrix squalida)	Terrestrial

	Malacothrix, Santa Cruz Island	Endangered	Dicot	No

	(Malacothrix indecora)	Terrestrial

	Mallow, Kern	Endangered	Dicot	No

	(Eremalche kernensis)	Terrestrial

	Manzanita, Del Mar	Endangered	Dicot	No

	(Arctostaphylos glandulosa ssp. crassifolia)	Terrestrial

	Manzanita, Ione	Threatened	Dicot	No

	(Arctostaphylos myrtifolia)	Terrestrial

	Manzanita, Morro	Threatened	Dicot	No

	(Arctostaphylos morroensis)	Terrestrial

	Manzanita, Pallid	Threatened	Dicot	No

	(Arctostaphylos pallida)	Terrestrial

	Manzanita, Santa Rosa Island	Endangered	Dicot	No

	(Arctostaphylos confertiflora)	Terrestrial

	Meadowfoam, Butte County	Endangered	Dicot	Yes

	(Limnanthes floccosa ssp. californica)	Vernal pool

	Meadowfoam, Sebastopol	Endangered	Dicot	No

	(Limnanthes vinculans)	Freshwater, Terrestrial

	Milk-vetch, Braunton's	Endangered	Dicot	No

	(Astragalus brauntonii)	Terrestrial

	Milk-vetch, Clara Hunt's	Endangered	Dicot	No

	(Astragalus clarianus)	Terrestrial

	Milk-vetch, Coachella Valley	Endangered	Dicot	Yes

	(Astragalus lentiginosus var. coachellae)	Terrestrial

	Milk-vetch, Coastal Dunes	Endangered	Dicot	No

	(Astragalus tener var. titi)	Terrestrial

	Milk-vetch, Cushenbury	Endangered	Dicot	Yes

	(Astragalus albens)	Terrestrial

	Milk-vetch, Fish Slough	Threatened	Dicot	No

	(Astragalus lentiginosus var. piscinensis)	Terrestrial

	Milk-vetch, Lane Mountain	Endangered	Dicot	Yes

	(Astragalus jaegerianus)	Terrestrial

	Milk-vetch, Pierson's	Threatened	Dicot	Yes

	(Astragalus magdalenae var. peirsonii)	Terrestrial

	Milk-vetch, Triple-ribbed	Endangered	Dicot	No

	(Astragalus tricarinatus)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 14 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Milk-vetch, Ventura Marsh	Endangered	Dicot	Yes

	(Astragalus pycnostachyus var. lanosissimus)	Terrestrial, Freshwater

	Mint, Otay Mesa	Endangered	Dicot	No

	(Pogogyne nudiuscula)	Terrestrial

	Mint, San Diego Mesa	Endangered	Dicot	No

	(Pogogyne abramsii)	Terrestrial

	Monardella, Willowy	Endangered	Dicot	No

	(Monardella linoides ssp. viminea)	Terrestrial

	Morning-glory, Stebbins	Endangered	Dicot	No

	(Calystegia stebbinsii)	Terrestrial

	Mountainbalm, Indian Knob	Endangered	Dicot	No

	(Eriodictyon altissimum)	Terrestrial

	Mountain-mahogany, Catalina Island	Endangered	Dicot	No

	(Cercocarpus traskiae)	Terrestrial

	Mustard, Slender-petaled	Endangered	Dicot	No

	(Thelypodium stenopetalum)	Terrestrial

	Navarretia, Few-flowered	Endangered	Dicot	No

	(Navarretia leucocephala ssp. pauciflora (=N. pauciflora))	Vernal pool,
Terrestrial

	Navarretia, Many-flowered	Endangered	Dicot	No

	(Navarretia leucocephala ssp. plieantha)	Terrestrial, Vernal pool

	Navarretia, Spreading	Threatened	Dicot	No

	(Navarretia fossalis)	Vernal pool

	Niterwort, Amargosa	Endangered	Dicot	Yes

	(Nitrophila mohavensis)	Terrestrial

	Oxytheca, Cushenbury	Endangered	Dicot	Yes

	(Oxytheca parishii var. goodmaniana)	Terrestrial

	Paintbrush, Ash-grey Indian	Threatened	Dicot	No

	(Castilleja cinerea)	Terrestrial

	Paintbrush, San Clemente Island Indian	Endangered	Dicot	No

	(Castilleja grisea)	Terrestrial

	Paintbrush, Soft-leaved	Endangered	Dicot	No

	(Castilleja mollis)	Terrestrial

	Paintbrush, Tiburon	Endangered	Dicot	No

	(Castilleja affinis ssp. neglecta)	Terrestrial

	Penny-cress, Kneeland Prairie	Endangered	Dicot	Yes

	(Thlaspi californicum)	Terrestrial

	Pentachaeta, Lyon's	Endangered	Dicot	No

	(Pentachaeta lyonii)	Terrestrial

	Pentachaeta, White-rayed	Endangered	Dicot	No

	(Pentachaeta bellidiflora)	Terrestrial

	Phacelia, Island	Endangered	Dicot	No

	(Phacelia insularis ssp. insularis)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 15 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Phlox, Yreka	Endangered	Dicot	No

	(Phlox hirsuta)	Terrestrial

	Polygonum, Scott's Valley	Endangered	Dicot	Yes

	(Polygonum hickmanii)	Terrestrial

	Potentilla, Hickman's	Endangered	Dicot	No

	(Potentilla hickmanii)	Terrestrial

	Pussypaws, Mariposa	Threatened	Dicot	No

	(Calyptridium pulchellum)	Terrestrial

	Rock-cress, Hoffmann's	Endangered	Dicot	No

	(Arabis hoffmannii)	Terrestrial

	Rock-cress, McDonald's	Endangered	Dicot	No

	(Arabis mcdonaldiana)	Terrestrial

	Rock-cress, Santa Cruz Island	Endangered	Dicot	No

	(Sibara filifolia)	Terrestrial

	Rush-rose, Island	Threatened	Dicot	No

	(Helianthemum greenei)	Terrestrial

	Sandwort, Bear Valley	Threatened	Dicot	No

	(Arenaria ursina)	Terrestrial

	Sandwort, Marsh	Endangered	Dicot	No

	(Arenaria paludicola)	Freshwater, Terrestrial

	Sea-blite, California	Endangered	Dicot	No

	(Suaeda californica)	Terrestrial

	Spineflower, Ben Lomond	Endangered	Dicot	No

	(Chorizanthe pungens var. hartwegiana)	Terrestrial

	Spineflower, Howell's	Endangered	Dicot	No

	(Chorizanthe howellii)	Terrestrial

	Spineflower, Monterey	Threatened	Dicot	Yes

	(Chorizanthe pungens var. pungens)	Terrestrial

	Spineflower, Orcutt's	Endangered	Dicot	No

	(Chorizanthe orcuttiana)	Terrestrial

	Spineflower, Robust	Endangered	Dicot	Yes

	(Chorizanthe robusta var. robusta)	Terrestrial

	Spineflower, Scotts Valley	Endangered	Dicot	Yes

	(Chorizanthe robusta var. hartwegii)	Terrestrial

	Spineflower, Slender-horned	Endangered	Dicot	No

	(Dodecahema leptoceras)	Terrestrial

	Spineflower, Sonoma	Endangered	Dicot	No

	(Chorizanthe valida)	Terrestrial

	Spurge, Hoover's	Threatened	Dicot	Yes

	(Chamaesyce hooveri)	Vernal pool

	Stickyseed, Baker's	Endangered	Dicot	No

	(Blennosperma bakeri)	Vernal pool

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 16 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Stonecrop, Lake County	Endangered	Dicot	No

	(Parvisedum leiocarpum)	Vernal pool

	Sunflower, San Mateo Woolly	Endangered	Dicot	No

	(Eriophyllum latilobum)	Terrestrial

	Taraxacum, California	Endangered	Dicot	No

	(Taraxacum californicum)	Terrestrial

	Tarplant, Gaviota	Endangered	Dicot	Yes

	(Deinandra increscens ssp. villosa)	Terrestrial

	Tarplant, Otay	Threatened	Dicot	Yes

	(Deinandra (=Hemizonia) conjugens)	Terrestrial

	Tarplant, Santa Cruz	Threatened	Dicot	Yes

	(Holocarpha macradenia)	Terrestrial

	Thistle, Chorro creek Bog	Endangered	Dicot	No

	(Cirsium fontinale var. obispoense)	Terrestrial, Freshwater

	Thistle, Fountain	Endangered	Dicot	No

	(Cirsium fontinale var. fontinale)	Terrestrial

	Thistle, La Graciosa	Endangered	Dicot	Yes

	(Cirsium loncholepis)	Coastal (neritic), Freshwater, 

	Thistle, Suisun	Endangered	Dicot	No

	(Cirsium hydrophilum var. hydrophilum)	Brackish, Terrestrial

	Thornmint, San Diego	Threatened	Dicot	No

	(Acanthomintha ilicifolia)	Terrestrial

	Thornmint, San Mateo	Endangered	Dicot	No

	(Acanthomintha obovata ssp. duttonii)	Terrestrial

	Tuctoria, Green's	Endangered	Dicot	Yes

	(Tuctoria greenei)	Vernal pool

	Vervain, California	Threatened	Dicot	No

	(Verbena californica)	Terrestrial

	Wallflower, Ben Lomond	Endangered	Dicot	No

	(Erysimum teretifolium)	Terrestrial

	Wallflower, Contra Costa	Endangered	Dicot	Yes

	(Erysimum capitatum var. angustatum)	Terrestrial

	Wallflower, Menzie's	Endangered	Dicot	No

	(Erysimum menziesii)	Terrestrial

	Watercress, Gambel's	Endangered	Dicot	No

	(Rorippa gambellii)	Terrestrial, Brackish, Freshwater

	Woodland-star, San Clemente Island	Endangered	Dicot	No

	(Lithophragma maximum)	Terrestrial

	Woolly-star, Santa Ana River	Endangered	Dicot	No

	(Eriastrum densifolium ssp. sanctorum)	Terrestrial

	Woolly-threads, San Joaquin	Endangered	Dicot	No

	(Monolopia (=Lembertia) congdonii)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 17 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Yerba Santa, Lompoc	Endangered	Dicot	Yes

	(Eriodictyon capitatum)	Terrestrial

	Chub, Bonytail	Endangered	Fish	Yes

	(Gila elegans)	Freshwater

	Chub, Hutton Tui	Threatened	Fish	No

	(Gila bicolor ssp.)	Freshwater

	Chub, Mohave Tui	Endangered	Fish	No

	(Gila bicolor mohavensis)	Freshwater

	Chub, Owens Tui	Endangered	Fish	Yes

	(Gila bicolor snyderi)	Freshwater

	Dace, Ash Meadows Speckled	Endangered	Fish	Yes

	(Rhinichthys osculus nevadensis)	Freshwater

	Goby, Tidewater	Endangered	Fish	Yes

	(Eucyclogobius newberryi)	Freshwater

	Pupfish, Desert	Endangered	Fish	Yes

	(Cyprinodon macularius)	Freshwater

	Pupfish, Owens	Endangered	Fish	No

	(Cyprinodon radiosus)	Freshwater

	Salmon, Chinook (California Coastal Run)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Freshwater, Saltwater, Brackish

	Salmon, Chinook (Central Valley Fall Run)	Threatened	Fish	No

	(Oncorhynchus (=Salmo) tshawytscha)	Brackish, Freshwater, Saltwater

	Salmon, Chinook (Central Valley Spring Run)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Brackish, Saltwater, Freshwater

	Salmon, Chinook (Sacramento River Winter Run)	Endangered	Fish	No

	(Oncorhynchus (=Salmo) tshawytscha)	Saltwater, Freshwater, Brackish

	Salmon, Coho (Central California Coast population)	Endangered	Fish	No

	(Oncorhynchus (=Salmo) kisutch)	Saltwater, Brackish, Freshwater

	Salmon, Coho (Southern OR/Northern CA Coast)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) kisutch)	Freshwater, Brackish, Saltwater

	Smelt, Delta	Threatened	Fish	Yes

	(Hypomesus transpacificus)	Freshwater, Brackish

	Squawfish, Colorado	Endangered	Fish	Yes

	(Ptychocheilus lucius)	Freshwater

	Steelhead, (California Central Valley population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Brackish, Freshwater, Saltwater

	Steelhead, (Central California Coast population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Freshwater, Saltwater, Brackish

	Steelhead, (Northern California population)	Threatened	Fish	No

	(Oncorhynchus (=Salmo) mykiss)	Saltwater, Brackish, Freshwater

	Steelhead, (South-Central California population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Freshwater, Saltwater, Brackish

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 18 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Steelhead, (Southern California population)	Endangered	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Brackish, Saltwater, Freshwater

	Stickleback, Unarmored Threespine	Endangered	Fish	No

	(Gasterosteus aculeatus williamsoni)	Freshwater

	Sturgeon, green	Threatened	Fish	No

	(Acipenser medirostris)

	Sucker, Lost River	Endangered	Fish	No

	(Deltistes luxatus)	Freshwater

	Sucker, Modoc	Endangered	Fish	Yes

	(Catostomus microps)	Freshwater

	Sucker, Razorback	Endangered	Fish	Yes

	(Xyrauchen texanus)	Freshwater

	Sucker, Santa Ana	Threatened	Fish	Yes

	(Catostomus santaanae)	Freshwater

	Trout, Lahontan Cutthroat	Threatened	Fish	No

	(Oncorhynchus clarki henshawi)	Freshwater

	Trout, Little Kern Golden	Threatened	Fish	Yes

	(Oncorhynchus aguabonita whitei)	Freshwater

	Trout, Paiute Cutthroat	Threatened	Fish	No

	(Oncorhynchus clarki seleniris)	Freshwater

	Abalone, White	Endangered	Gastropod	No

	(Haliotis sorenseni)	Saltwater

	Snail, Morro Shoulderband	Endangered	Gastropod	Yes

	(Helminthoglypta walkeriana)	Terrestrial

	Beetle, Delta Green Ground	Threatened	Insect	Yes

	(Elaphrus viridis)	Vernal pool, Terrestrial

	Beetle, Mount Hermon June	Endangered	Insect	No

	(Polyphylla barbata)	Subterraneous, Terrestrial

	Beetle, Ohlone Tiger	Endangered	Insect	No

	(Cicindela ohlone)	Terrestrial

	Beetle, Valley Elderberry Longhorn	Threatened	Insect	Yes

	(Desmocerus californicus dimorphus)	Terrestrial

	Butterfly, Bay Checkerspot (Wright's euphydryas)	Threatened	Insect	Yes

	(Euphydryas editha bayensis)	Terrestrial

	Butterfly, Behren's Silverspot	Endangered	Insect	No

	(Speyeria zerene behrensii)	Terrestrial

	Butterfly, Callippe Silverspot	Endangered	Insect	No

	(Speyeria callippe callippe)	Terrestrial

	Butterfly, El Segundo Blue	Endangered	Insect	No

	(Euphilotes battoides allyni)	Terrestrial

	Butterfly, Lange's Metalmark	Endangered	Insect	No

	(Apodemia mormo langei)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 19 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Butterfly, Lotis Blue	Endangered	Insect	No

	(Lycaeides argyrognomon lotis)	Terrestrial

	Butterfly, Mission Blue	Endangered	Insect	No

	(Icaricia icarioides missionensis)	Terrestrial

	Butterfly, Myrtle's Silverspot	Endangered	Insect	No

	(Speyeria zerene myrtleae)	Terrestrial

	Butterfly, Oregon Silverspot	Threatened	Insect	Yes

	(Speyeria zerene hippolyta)	Terrestrial

	Butterfly, Palos Verdes Blue	Endangered	Insect	Yes

	(Glaucopsyche lygdamus palosverdesensis)	Terrestrial

	Butterfly, Quino Checkerspot	Endangered	Insect	Yes

	(Euphydryas editha quino (=E. e. wrighti))	Terrestrial

	Butterfly, San Bruno Elfin	Endangered	Insect	No

	(Callophrys mossii bayensis)	Terrestrial

	Butterfly, Smith's Blue	Endangered	Insect	No

	(Euphilotes enoptes smithi)	Terrestrial

	Fly, Delhi Sands Flower-loving	Endangered	Insect	No

	(Rhaphiomidas terminatus abdominalis)	Terrestrial

	Grasshopper, Zayante Band-winged	Endangered	Insect	Yes

	(Trimerotropis infantilis)	Terrestrial

	Moth, Kern Primrose Sphinx	Threatened	Insect	No

	(Euproserpinus euterpe)	Terrestrial

	Skipper, Carson Wandering	Endangered	Insect	No

	(Pseudocopaeodes eunus obscurus)	Terrestrial

	Skipper, Laguna Mountain	Endangered	Insect	No

	(Pyrgus ruralis lagunae)	Terrestrial

	Fox, San Joaquin Kit	Endangered	Mammal	No

	(Vulpes macrotis mutica)	Terrestrial

	Fox, San Miguel Island	Endangered	Mammal	Yes

	(Urocyon littoralis littoralis)	Terrestrial

	Fox, Santa Catalina Island	Endangered	Mammal	Yes

	(Urocyon littoralis catalinae)	Terrestrial

	Fox, Santa Cruz Island	Endangered	Mammal	Yes

	(Urocyon littoralis santacruzae)	Terrestrial

	Fox, Santa Rosa Island	Endangered	Mammal	Yes

	(Urocyon littoralis santarosae)	Terrestrial

	Kangaroo Rat, Fresno	Endangered	Mammal	Yes

	(Dipodomys nitratoides exilis)	Terrestrial

	Kangaroo Rat, Giant	Endangered	Mammal	No

	(Dipodomys ingens)	Terrestrial

	Kangaroo Rat, Morro Bay	Endangered	Mammal	Yes

	(Dipodomys heermanni morroensis)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 20 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Kangaroo Rat, San Bernardino Merriam's	Endangered	Mammal	Yes

	(Dipodomys merriami parvus)	Terrestrial

	Kangaroo Rat, Stephens'	Endangered	Mammal	No

	(Dipodomys stephensi (incl. D. cascus))	Terrestrial

	Kangaroo Rat, Tipton	Endangered	Mammal	No

	(Dipodomys nitratoides nitratoides)	Terrestrial

	Mountain Beaver, Point Arena	Endangered	Mammal	No

	(Aplodontia rufa nigra)	Freshwater, Terrestrial

	Mouse, Pacific Pocket	Endangered	Mammal	No

	(Perognathus longimembris pacificus)	Terrestrial

	Mouse, Salt Marsh Harvest	Endangered	Mammal	No

	(Reithrodontomys raviventris)	Terrestrial

	Rabbit, Riparian Brush	Endangered	Mammal	No

	(Sylvilagus bachmani riparius)	Terrestrial

	Sheep, Peninsular Bighorn	Endangered	Mammal	Yes

	(Ovis canadensis)	Terrestrial

	Sheep, Sierra Nevada Bighorn	Endangered	Mammal	No

	(Ovis canadensis californiana)	Terrestrial

	Shrew, Buena Vista Lake Ornate	Endangered	Mammal	Yes

	(Sorex ornatus relictus)	Terrestrial

	Vole, Amargosa	Endangered	Mammal	Yes

	(Microtus californicus scirpensis)	Terrestrial

	Woodrat, Riparian	Endangered	Mammal	No

	(Neotoma fuscipes riparia)	Terrestrial

	Otter, Southern Sea	Threatened	Marine mml	No

	(Enhydra lutris nereis)	Saltwater

	Seal, Guadalupe Fur	Threatened	Marine mml	No

	(Arctocephalus townsendi)	Coastal (neritic), Saltwater

	Alopecurus, Sonoma	Endangered	Monocot	No

	(Alopecurus aequalis var. sonomensis)	Terrestrial

	Amole, Cammatta Canyon	Threatened	Monocot	Yes

	(Chlorogalum purpureum var. reductum)	Terrestrial

	Amole, Purple	Threatened	Monocot	Yes

	(Chlorogalum purpureum var. purpureum)	Terrestrial

	Bluegrass, Napa	Endangered	Monocot	No

	(Poa napensis)	Terrestrial, Freshwater

	Bluegrass, San Bernardino	Endangered	Monocot	No

	(Poa atropurpurea)	Terrestrial

	Brodiaea, Chinese Camp	Threatened	Monocot	No

	(Brodiaea pallida)	Terrestrial

	Brodiaea, Thread-leaved	Threatened	Monocot	Yes

	(Brodiaea filifolia)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 21 of 92

	California	( 290) species:	Taxa	Critical Habitat

	Grass, California Orcutt	Endangered	Monocot	No

	(Orcuttia californica)	Vernal pool, Terrestrial

	Grass, Colusa	Threatened	Monocot	No

	(Neostapfia colusana)	Vernal pool

	Grass, Eureka Dune	Endangered	Monocot	No

	(Swallenia alexandrae)	Terrestrial

	Grass, San Joaquin Valley Orcutt	Threatened	Monocot	Yes

	(Orcuttia inaequalis)	Vernal pool

	Grass, Solano	Endangered	Monocot	Yes

	(Tuctoria mucronata)	Vernal pool, Terrestrial

	Lily, Pitkin Marsh	Endangered	Monocot	No

	(Lilium pardalinum ssp. pitkinense)	Freshwater

	Lily, Western	Endangered	Monocot	No

	(Lilium occidentale)	Terrestrial

	Onion, Munz's	Endangered	Monocot	No

	(Allium munzii)	Terrestrial

	Piperia, Yadon's	Endangered	Monocot	No

	(Piperia yadonii)	Terrestrial

	Sedge, White	Endangered	Monocot	No

	(Carex albida)	Freshwater, Terrestrial

	Lizard, Blunt-nosed Leopard	Endangered	Reptile	No

	(Gambelia silus)	Terrestrial

	Lizard, Coachella Valley Fringe-toed	Threatened	Reptile	Yes

	(Uma inornata)	Terrestrial

	Lizard, Island Night	Threatened	Reptile	No

	(Xantusia riversiana)	Terrestrial

	Sea turtle, olive ridley	Threatened	Reptile	No

	(Lepidochelys olivacea)	Saltwater

	Snake, Giant Garter	Threatened	Reptile	No

	(Thamnophis gigas)	Freshwater, Terrestrial

	Snake, San Francisco Garter	Endangered	Reptile	No

	(Thamnophis sirtalis tetrataenia)	Freshwater, Terrestrial

	Tortoise, Desert	Threatened	Reptile	Yes

	(Gopherus agassizii)	Terrestrial

	Whipsnake (=Striped Racer), Alameda	Threatened	Reptile	Yes

	(Masticophis lateralis euryxanthus)	Terrestrial

	Colorado	( 16) species:	Taxa	Critical Habitat

	Owl, Mexican Spotted	Threatened	Bird	Yes

	(Strix occidentalis lucida)	Terrestrial

	Cactus, Knowlton	Endangered	Dicot	No

	(Pediocactus knowltonii)	Terrestrial

	Cactus, Mesa Verde	Threatened	Dicot	No

	(Sclerocactus mesae-verdae)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 22 of 92

	Colorado	( 16) species:	Taxa	Critical Habitat

	Cactus, Uinta Basin Hookless	Threatened	Dicot	No

	(Sclerocactus glaucus)	Terrestrial

	Milk-vetch, Mancos	Endangered	Dicot	No

	(Astragalus humillimus)	Terrestrial

	Wild-buckwheat, Clay-loving	Endangered	Dicot	Yes

	(Eriogonum pelinophilum)	Terrestrial

	Chub, Bonytail	Endangered	Fish	Yes

	(Gila elegans)	Freshwater

	Chub, Humpback	Endangered	Fish	Yes

	(Gila cypha)	Freshwater

	Squawfish, Colorado	Endangered	Fish	Yes

	(Ptychocheilus lucius)	Freshwater

	Sucker, Razorback	Endangered	Fish	Yes

	(Xyrauchen texanus)	Freshwater

	Trout, Bull	Threatened	Fish	No

	(Salvelinus confluentus)	Freshwater

	Trout, Greenback Cutthroat	Threatened	Fish	No

	(Oncorhynchus clarki stomias)	Freshwater

	Skipper, Pawnee Montane	Threatened	Insect	No

	(Hesperia leonardus montana)	Terrestrial

	Ferret, Black-footed	Endangered	Mammal	No

	(Mustela nigripes)	Terrestrial

	Mouse, Preble's Meadow Jumping	Threatened	Mammal	Yes

	(Zapus hudsonius preblei)	Terrestrial

	Ladies'-tresses, Ute	Threatened	Monocot	No

	(Spiranthes diluvialis)	Terrestrial

	Connecticut	( 9) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Roseate	Endangered	Bird	No

	(Sterna dougallii dougallii)	Terrestrial

	Mussel, Dwarf Wedge	Endangered	Bivalve	No

	(Alasmidonta heterodon)	Freshwater

	Gerardia, Sandplain	Endangered	Dicot	No

	(Agalinis acuta)	Terrestrial

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

	Beetle, Puritan Tiger	Threatened	Insect	No

	(Cicindela puritana)	Terrestrial, Coastal (neritic)

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 23 of 92

	Connecticut	( 9) species:	Taxa	Critical Habitat

	Turtle, Bog (Northern population)	Threatened	Reptile	No

	(Clemmys muhlenbergii)	Terrestrial, Freshwater

	Delaware	( 3) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Squirrel, Delmarva Peninsula Fox	Endangered	Mammal	No

	(Sciurus niger cinereus)	Terrestrial

	Pink, Swamp	Threatened	Monocot	No

	(Helonias bullata)	Terrestrial, Freshwater

	Florida	( 92) species:	Taxa	Critical Habitat

	Salamander, Flatwoods	Threatened	Amphibian	No

	(Ambystoma cingulatum)	Freshwater, Vernal pool, Terrestrial

	Caracara, Audubon's Crested	Threatened	Bird	No

	(Polyborus plancus audubonii)	Terrestrial

	Kite, Everglade Snail	Endangered	Bird	Yes

	(Rostrhamus sociabilis plumbeus)	Terrestrial

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Scrub-Jay, Florida	Threatened	Bird	No

	(Aphelocoma coerulescens)	Terrestrial

	Sparrow, Cape Sable Seaside	Endangered	Bird	Yes

	(Ammodramus maritimus mirabilis)	Terrestrial

	Sparrow, Florida Grasshopper	Endangered	Bird	No

	(Ammodramus savannarum floridanus)	Terrestrial

	Stork, Wood	Endangered	Bird	No

	(Mycteria americana)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Bankclimber, Purple	Threatened	Bivalve	No

	(Elliptoideus sloatianus)	Freshwater

	Mussel, Gulf Moccasinshell	Endangered	Bivalve	No

	(Medionidus penicillatus)	Freshwater

	Mussel, Ochlockonee Moccasinshell	Endangered	Bivalve	No

	(Medionidus simpsonianus)	Freshwater

	Mussel, Oval Pigtoe	Endangered	Bivalve	No

	(Pleurobema pyriforme)	Freshwater

	Mussel, Shiny-rayed Pocketbook	Endangered	Bivalve	No

	(Lampsilis subangulata)	Freshwater

	Slabshell, Chipola	Threatened	Bivalve	No

	(Elliptio chipolaensis)	Freshwater

	Threeridge, Fat (Mussel)	Endangered	Bivalve	No

	(Amblema neislerii)	Freshwater

6/5/2010 11:51:18 AM   Ver. 2.10.4	Page 24 of 92

	Florida	( 92) species:	Taxa	Critical Habitat

	Torreya, Florida	Endangered	Conf/cycds	No

	(Torreya taxifolia)	Terrestrial

	Shrimp, Squirrel Chimney Cave	Threatened	Crustacean	No

	(Palaemonetes cummingi)	Freshwater, Subterraneous

	Aster, Florida Golden	Endangered	Dicot	No

	(Chrysopsis floridana)	Terrestrial

	Bellflower, Brooksville	Endangered	Dicot	No

	(Campanula robinsiae)	Terrestrial

	Birds-in-a-nest, White	Threatened	Dicot	No

	(Macbridea alba)	Terrestrial

	Blazing Star, Scrub	Endangered	Dicot	No

	(Liatris ohlingerae)	Terrestrial

	Bonamia, Florida	Threatened	Dicot	No

	(Bonamia grandiflora)	Terrestrial

	Buckwheat, Scrub	Threatened	Dicot	No

	(Eriogonum longifolium var. gnaphalifolium)	Terrestrial

	Butterwort, Godfrey's	Threatened	Dicot	No

	(Pinguicula ionantha)	Terrestrial, Freshwater

	Campion, Fringed	Endangered	Dicot	No

	(Silene polypetala)	Terrestrial

	Chaffseed, American	Endangered	Dicot	No

	(Schwalbea americana)	Terrestrial

	Fringe Tree, Pygmy	Endangered	Dicot	No

	(Chionanthus pygmaeus)	Terrestrial

	Gooseberry, Miccosukee	Threatened	Dicot	No

	(Ribes echinellum)	Terrestrial

	Gourd, Okeechobee	Endangered	Dicot	No

	(Cucurbita okeechobeensis ssp. okeechobeensis)	Terrestrial

	Harebells, Avon Park	Endangered	Dicot	No

	(Crotalaria avonensis)	Terrestrial

	Hypericum, Highlands Scrub	Endangered	Dicot	No

	(Hypericum cumulicola)	Terrestrial

	Jacquemontia, Beach	Endangered	Dicot	No

	(Jacquemontia reclinata)	Terrestrial, Coastal (neritic)

	Lead-plant, Crenulate	Endangered	Dicot	No

	(Amorpha crenulata)	Terrestrial

	Lupine, Scrub	Endangered	Dicot	No

	(Lupinus aridorum)	Terrestrial

	Meadowrue, Cooley's	Endangered	Dicot	No

	(Thalictrum cooleyi)	Terrestrial

	Milkpea, Small's	Endangered	Dicot	No

	(Galactia smallii)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 25 of 92

	Florida	( 92) species:	Taxa	Critical Habitat

	Mint, Garrett's	Endangered	Dicot	No

	(Dicerandra christmanii)	Terrestrial

	Mint, Lakela's	Endangered	Dicot	No

	(Dicerandra immaculata)	Terrestrial

	Mint, Longspurred	Endangered	Dicot	No

	(Dicerandra cornutissima)	Terrestrial

	Mint, Scrub	Endangered	Dicot	No

	(Dicerandra frutescens)	Terrestrial

	Mustard, Carter's	Endangered	Dicot	No

	(Warea carteri)	Terrestrial

	Pawpaw, Beautiful	Endangered	Dicot	No

	(Deeringothamnus pulchellus)	Terrestrial

	Pawpaw, Four-petal	Endangered	Dicot	No

	(Asimina tetramera)	Terrestrial

	Pawpaw, Rugel's	Endangered	Dicot	No

	(Deeringothamnus rugelii)	Terrestrial

	Pinkroot, Gentian	Endangered	Dicot	No

	(Spigelia gentianoides)	Terrestrial

	Plum, Scrub	Endangered	Dicot	No

	(Prunus geniculata)	Terrestrial

	Polygala, Lewton's	Endangered	Dicot	No

	(Polygala lewtonii)	Terrestrial

	Polygala, Tiny	Endangered	Dicot	No

	(Polygala smallii)	Terrestrial

	Rhododendron, Chapman	Endangered	Dicot	No

	(Rhododendron chapmanii)	Terrestrial

	Rosemary, Apalachicola	Endangered	Dicot	No

	(Conradina glabra)	Terrestrial

	Rosemary, Etonia	Endangered	Dicot	No

	(Conradina etonia)	Terrestrial

	Rosemary, Short-leaved	Endangered	Dicot	No

	(Conradina brevifolia)	Terrestrial

	Sandlace	Endangered	Dicot	No

	(Polygonella myriophylla)	Terrestrial

	Skullcap, Florida	Threatened	Dicot	No

	(Scutellaria floridana)	Terrestrial

	Snakeroot	Endangered	Dicot	No

	(Eryngium cuneifolium)	Terrestrial

	Spurge, Deltoid	Endangered	Dicot	No

	(Chamaesyce deltoidea ssp. deltoidea)	Terrestrial

	Spurge, Garber's	Threatened	Dicot	No

	(Chamaesyce garberi)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 26 of 92

	Florida	( 92) species:	Taxa	Critical Habitat

	Spurge, Telephus	Threatened	Dicot	No

	(Euphorbia telephioides)	Terrestrial

	Warea, Wide-leaf	Endangered	Dicot	No

	(Warea amplexifolia)	Terrestrial

	Water-willow, Cooley's	Endangered	Dicot	No

	(Justicia cooleyi)	Terrestrial

	Whitlow-wort, Papery	Threatened	Dicot	No

	(Paronychia chartacea)	Terrestrial

	Wings, Pigeon	Threatened	Dicot	No

	(Clitoria fragrans)	Terrestrial

	Wireweed	Endangered	Dicot	No

	(Polygonella basiramia)	Terrestrial

	Ziziphus, Florida	Endangered	Dicot	No

	(Ziziphus celata)	Terrestrial

	Darter, Okaloosa	Endangered	Fish	No

	(Etheostoma okaloosae)	Freshwater

	Sawfish, Smalltooth	Endangered	Fish	No

	(Pristis pectinata)	Saltwater, Freshwater

	Sturgeon, Gulf	Threatened	Fish	Yes

	(Acipenser oxyrinchus desotoi)	Saltwater, Freshwater

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

	Butterfly, Schaus Swallowtail	Endangered	Insect	No

	(Heraclides aristodemus ponceanus)	Terrestrial

	Cladonia, Florida Perforate	Endangered	Lichen	No

	(Cladonia perforata)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Mouse, Choctawhatchee Beach	Endangered	Mammal	Yes

	(Peromyscus polionotus allophrys)	Coastal (neritic), Terrestrial

	Mouse, Perdido Key Beach	Endangered	Mammal	Yes

	(Peromyscus polionotus trissyllepsis)	Coastal (neritic)

	Mouse, Southeastern Beach	Threatened	Mammal	No

	(Peromyscus polionotus niveiventris)	Coastal (neritic), Terrestrial

	Panther, Florida	Endangered	Mammal	No

	(Puma (=Felis) concolor coryi)	Terrestrial

	Vole, Florida Salt Marsh	Endangered	Mammal	No

	(Microtus pennsylvanicus dukecampbelli)	Terrestrial, Brackish

	Manatee, West Indian	Endangered	Marine mml	Yes

	(Trichechus manatus)	Saltwater

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 27 of 92

	Florida	( 92) species:	Taxa	Critical Habitat

	Beargrass, Britton's	Endangered	Monocot	No

	(Nolina brittoniana)	Terrestrial

	Beauty, Harper's	Endangered	Monocot	No

	(Harperocallis flava)	Freshwater, Terrestrial

	Seagrass, Johnson's	Threatened	Monocot	Yes

	(Halophila johnsonii)	Coastal (neritic), Saltwater

	Crocodile, American	Threatened	Reptile	Yes

	(Crocodylus acutus)	Terrestrial, Freshwater

	Sea turtle, green	Endangered	Reptile	No

	(Chelonia mydas)	Saltwater

	Sea turtle, hawksbill	Endangered	Reptile	Yes

	(Eretmochelys imbricata)	Saltwater

	Sea turtle, Kemp's ridley	Endangered	Reptile	No

	(Lepidochelys kempii)	Saltwater

	Sea turtle, leatherback	Endangered	Reptile	Yes

	(Dermochelys coriacea)	Saltwater

	Sea turtle, loggerhead	Threatened	Reptile	No

	(Caretta caretta)	Saltwater

	Skink, Blue-tailed Mole	Threatened	Reptile	No

	(Eumeces egregius lividus)	Terrestrial

	Skink, Sand	Threatened	Reptile	No

	(Neoseps reynoldsi)	Terrestrial

	Snake, Atlantic Salt Marsh	Threatened	Reptile	No

	(Nerodia clarkii taeniata)	Saltwater, Terrestrial, Brackish

	Snake, Eastern Indigo	Threatened	Reptile	No

	(Drymarchon corais couperi)	Terrestrial

	Georgia	( 56) species:	Taxa	Critical Habitat

	Salamander, Flatwoods	Threatened	Amphibian	No

	(Ambystoma cingulatum)	Freshwater, Vernal pool, Terrestrial

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Stork, Wood	Endangered	Bird	No

	(Mycteria americana)	Terrestrial

	Warbler (=Wood), Kirtland's	Endangered	Bird	No

	(Dendroica kirtlandii)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Bankclimber, Purple	Threatened	Bivalve	No

	(Elliptoideus sloatianus)	Freshwater

	Combshell, Upland	Endangered	Bivalve	Yes

	(Epioblasma metastriata)	Freshwater

	Fanshell	Endangered	Bivalve	No

	(Cyprogenia stegaria)	Freshwater

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 28 of 92

	Georgia	( 56) species:	Taxa	Critical Habitat

	Kidneyshell, Triangular	Endangered	Bivalve	Yes

	(Ptychobranchus greenii)	Freshwater

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

	Mussel, Acornshell Southern	Endangered	Bivalve	Yes

	(Epioblasma othcaloogensis)	Freshwater

	Mussel, Alabama Moccasinshell	Threatened	Bivalve	Yes

	(Medionidus acutissimus)	Freshwater

	Mussel, Coosa Moccasinshell	Endangered	Bivalve	Yes

	(Medionidus parvulus)	Freshwater

	Mussel, Fine-lined Pocketbook	Threatened	Bivalve	Yes

	(Lampsilis altilis)	Freshwater

	Mussel, Gulf Moccasinshell	Endangered	Bivalve	No

	(Medionidus penicillatus)	Freshwater

	Mussel, Oval Pigtoe	Endangered	Bivalve	No

	(Pleurobema pyriforme)	Freshwater

	Mussel, Ovate Clubshell	Endangered	Bivalve	Yes

	(Pleurobema perovatum)	Freshwater

	Mussel, Shiny-rayed Pocketbook	Endangered	Bivalve	No

	(Lampsilis subangulata)	Freshwater

	Mussel, Southern Clubshell	Endangered	Bivalve	Yes

	(Pleurobema decisum)	Freshwater

	Mussel, Southern Pigtoe	Endangered	Bivalve	Yes

	(Pleurobema georgianum)	Freshwater

	Threeridge, Fat (Mussel)	Endangered	Bivalve	No

	(Amblema neislerii)	Freshwater

	Torreya, Florida	Endangered	Conf/cycds	No

	(Torreya taxifolia)	Terrestrial

	Amphianthus, Little	Threatened	Dicot	No

	(Amphianthus pusillus)	Freshwater

	Barbara Buttons, Mohr's	Threatened	Dicot	No

	(Marshallia mohrii)	Terrestrial

	Campion, Fringed	Endangered	Dicot	No

	(Silene polypetala)	Terrestrial

	Dropwort, Canby's	Endangered	Dicot	No

	(Oxypolis canbyi)	Terrestrial, Freshwater

	Harperella	Endangered	Dicot	No

	(Ptilimnium nodosum)	Freshwater

	Pitcher-plant, Green	Endangered	Dicot	No

	(Sarracenia oreophila)	Terrestrial, Freshwater

	Pondberry	Endangered	Dicot	No

	(Lindera melissifolia)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 29 of 92

	Georgia	( 56) species:	Taxa	Critical Habitat

	Rattleweed, Hairy	Endangered	Dicot	No

	(Baptisia arachnifera)	Terrestrial

	Skullcap, Large-flowered	Threatened	Dicot	No

	(Scutellaria montana)	Terrestrial

	Spiraea, Virginia	Threatened	Dicot	No

	(Spiraea virginiana)	Terrestrial

	Sumac, Michaux's	Endangered	Dicot	No

	(Rhus michauxii)	Terrestrial

	Quillwort, Black-spored	Endangered	Ferns	No

	(Isoetes melanospora)	Vernal pool

	Quillwort, Mat-forming	Endangered	Ferns	No

	(Isoetes tegetiformans)	Vernal pool

	Darter, Amber	Endangered	Fish	Yes

	(Percina antesella)	Freshwater

	Darter, Cherokee	Threatened	Fish	No

	(Etheostoma scotti)	Freshwater

	Darter, Etowah	Endangered	Fish	No

	(Etheostoma etowahae)	Freshwater

	Darter, Goldline	Threatened	Fish	No

	(Percina aurolineata)	Freshwater

	Logperch, Conasauga	Endangered	Fish	Yes

	(Percina jenkinsi)	Freshwater

	Shiner, Blue	Threatened	Fish	No

	(Cyprinella caerulea)	Freshwater

	Sturgeon, Gulf	Threatened	Fish	Yes

	(Acipenser oxyrinchus desotoi)	Saltwater, Freshwater

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Bat, Virginia Big-eared	Endangered	Mammal	Yes

	(Corynorhinus (=Plecotus) townsendii virginianus)	Terrestrial,
Subterraneous

	Manatee, West Indian	Endangered	Marine mml	Yes

	(Trichechus manatus)	Saltwater

	Grass, Tennessee Yellow-eyed	Endangered	Monocot	No

	(Xyris tennesseensis)	Terrestrial

	Pink, Swamp	Threatened	Monocot	No

	(Helonias bullata)	Terrestrial, Freshwater

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 30 of 92

	Georgia	( 56) species:	Taxa	Critical Habitat

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Trillium, Persistent	Endangered	Monocot	No

	(Trillium persistens)	Terrestrial

	Trillium, Relict	Endangered	Monocot	No

	(Trillium reliquum)	Terrestrial

	Water-plantain, Kral's	Threatened	Monocot	No

	(Sagittaria secundifolia)	Freshwater

	Sea turtle, loggerhead	Threatened	Reptile	No

	(Caretta caretta)	Saltwater

	Snake, Eastern Indigo	Threatened	Reptile	No

	(Drymarchon corais couperi)	Terrestrial

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Spider, Kauai Cave Wolf	Endangered	Arachnid	Yes

	(Adelocosa anops)	Terrestrial, Subterraneous

	'Akepa, Hawaii	Endangered	Bird	No

	(Loxops coccineus coccineus)	Terrestrial

	'Akepa, Maui	Endangered	Bird	No

	(Loxops coccineus ochraceus)	Terrestrial

	'Akia Loa, Kauai (Hemignathus procerus)	Endangered	Bird	No

	(Hemignathus procerus)	Terrestrial

	'Akia Pola'au (Hemignathus munroi)	Endangered	Bird	No

	(Hemignathus munroi)	Terrestrial

	Albatross, Short-tailed	Endangered	Bird	No

	(Phoebastria (=Diomedea) albatrus)	Terrestrial, Saltwater

	Coot, Hawaiian (=Alae keo keo)	Endangered	Bird	No

	(Fulica americana alai)	Terrestrial

	Creeper, Hawaii	Endangered	Bird	No

	(Oreomystis mana)	Terrestrial

	Creeper, Molokai (Kakawahie)	Endangered	Bird	No

	(Paroreomyza flammea)	Terrestrial

	Creeper, Oahu (Alauwahio)	Endangered	Bird	No

	(Paroreomyza maculata)	Terrestrial

	Crow, Hawaiian ('Alala)	Endangered	Bird	No

	(Corvus hawaiiensis)	Terrestrial

	Duck, Hawaiian (Koloa)	Endangered	Bird	No

	(Anas wyvilliana)	Freshwater, Terrestrial

	Duck, Laysan	Endangered	Bird	No

	(Anas laysanensis)	Terrestrial, Freshwater

	Elepaio, Oahu	Endangered	Bird	Yes

	(Chasiempis sandwichensis ibidis)	Terrestrial

	Finch, Laysan	Endangered	Bird	No

	(Telespyza cantans)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 31 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Finch, Nihoa	Endangered	Bird	No

	(Telespyza ultima)	Terrestrial

	Goose, Hawaiian (Nene)	Endangered	Bird	No

	(Branta (=Nesochen) sandvicensis)	Terrestrial, Freshwater

	Hawk, Hawaiian (Io)	Endangered	Bird	No

	(Buteo solitarius)	Terrestrial

	Honeycreeper, Crested ('Akohekohe)	Endangered	Bird	No

	(Palmeria dolei)	Terrestrial

	Kauai creeper	Endangered	Bird	No

	(Oreomystis bairdi)	Terrestrial

	Millerbird, Nihoa	Endangered	Bird	No

	(Acrocephalus familiaris kingi)	Terrestrial

	Moorhen, Hawaiian Common	Endangered	Bird	No

	(Gallinula chloropus sandvicensis)	Terrestrial

	Nuku Pu'u	Endangered	Bird	No

	(Hemignathus lucidus)	Terrestrial

	'O'o, Kauai (='A'a)	Endangered	Bird	No

	(Moho braccatus)	Terrestrial

	'O'u (Honeycreeper)	Endangered	Bird	No

	(Psittirostra psittacea)	Terrestrial

	Palila	Endangered	Bird	Yes

	(Loxioides bailleui)	Terrestrial

	Parrotbill, Maui	Endangered	Bird	No

	(Pseudonestor xanthophrys)	Terrestrial

	Petrel, Hawaiian Dark-rumped	Endangered	Bird	No

	(Pterodroma phaeopygia sandwichensis)	Terrestrial

	Po'ouli	Endangered	Bird	No

	(Melamprosops phaeosoma)	Terrestrial

	Shearwater, Newell's Townsend's	Threatened	Bird	No

	(Puffinus auricularis newelli)	Terrestrial, Saltwater

	Stilt, Hawaiian (=Ae'o)	Endangered	Bird	No

	(Himantopus mexicanus knudseni)	Terrestrial

	Thrush, Large Kauai	Endangered	Bird	No

	(Myadestes myadestinus)	Terrestrial

	Thrush, Molokai (Oloma'o)	Endangered	Bird	No

	(Myadestes lanaiensis rutha)	Terrestrial

	Thrush, Small Kauai (Puaiohi)	Endangered	Bird	No

	(Myadestes palmeri)	Terrestrial

	Amphipod, Kauai Cave	Endangered	Crustacean	Yes

	(Spelaeorchestia koloana)	Freshwater, Subterraneous

	(ncn)	Endangered	Dicot	No

	(Keysseria erici)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 32 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	(ncn)	Endangered	Dicot	No

	(Stenogyne kealiae)	Terrestrial

	(ncn)	Endangered	Dicot	No

	(Keysseria helenae)	Terrestrial

	(ncn)	Endangered	Dicot	No

	(Schiedea attenuata)	Terrestrial

	Abutilon eremitopetalum (ncn)	Endangered	Dicot	Yes

	(Abutilon eremitopetalum)	Terrestrial

	Abutilon sandwicense (ncn)	Endangered	Dicot	Yes

	(Abutilon sandwicense)	Terrestrial

	Achyranthes mutica (ncn)	Endangered	Dicot	Yes

	(Achyranthes mutica)	Terrestrial

	Achyranthes splendens var. rotundata (ncn)	Endangered	Dicot	No

	(Achyranthes splendens var. rotundata)	Terrestrial

	A'e (Zanthoxylum dipetalum var. tomentosum)	Endangered	Dicot	Yes

	(Zanthoxylum dipetalum var. tomentosum)	Terrestrial

	A'e (Zanthoxylum hawaiiense)	Endangered	Dicot	Yes

	(Zanthoxylum hawaiiense)	Terrestrial

	'Aiea (Nothocestrum breviflorum)	Endangered	Dicot	Yes

	(Nothocestrum breviflorum)	Terrestrial

	'Aiea (Nothocestrum peltatum)	Endangered	Dicot	Yes

	(Nothocestrum peltatum)	Terrestrial

	Akoko	Endangered	Dicot	No

	(Chamaesyce remyi var. kauaiensis)	Terrestrial

	'akoko	Endangered	Dicot	No

	(Chamaesyce eleanoriae)	Terrestrial

	'Akoko (Chamaesyce celastroides var. kaenana)	Endangered	Dicot	Yes

	(Chamaesyce celastroides var. kaenana)	Terrestrial

	'Akoko (Chamaesyce deppeana)	Endangered	Dicot	Yes

	(Chamaesyce deppeana)	Terrestrial

	'Akoko (Chamaesyce herbstii)	Endangered	Dicot	Yes

	(Chamaesyce herbstii)	Terrestrial

	'Akoko (Chamaesyce kuwaleana)	Endangered	Dicot	Yes

	(Chamaesyce kuwaleana)	Terrestrial

	'Akoko (Chamaesyce rockii)	Endangered	Dicot	Yes

	(Chamaesyce rockii)	Terrestrial

	'Akoko (Chamaesyce skottsbergii var. skottsbe	Endangered	Dicot	No

	(Chamaesyce skottsbergii var. kalaeloana)	Terrestrial

	'Akoko (Euphorbia haeleeleana)	Endangered	Dicot	Yes

	(Euphorbia haeleeleana)	Terrestrial

	alani	Endangered	Dicot	No

	(Melicope puberula)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 33 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	alani	Endangered	Dicot	No

	(Melicope degeneri)	Terrestrial

	alani	Endangered	Dicot	No

	(Melicope paniculata)	Terrestrial

	Alani (Melicope adscendens)	Endangered	Dicot	Yes

	(Melicope adscendens)	Terrestrial

	Alani (Melicope balloui)	Endangered	Dicot	Yes

	(Melicope balloui)	Terrestrial

	Alani (Melicope haupuensis)	Endangered	Dicot	Yes

	(Melicope haupuensis)	Terrestrial

	Alani (Melicope knudsenii)	Endangered	Dicot	Yes

	(Melicope knudsenii)	Terrestrial

	Alani (Melicope lydgatei)	Endangered	Dicot	Yes

	(Melicope lydgatei)	Terrestrial

	Alani (Melicope mucronulata)	Endangered	Dicot	Yes

	(Melicope mucronulata)	Terrestrial

	Alani (Melicope munroi)	Endangered	Dicot	No

	(Melicope munroi)	Terrestrial

	Alani (Melicope ovalis)	Endangered	Dicot	Yes

	(Melicope ovalis)	Terrestrial

	Alani (Melicope pallida)	Endangered	Dicot	Yes

	(Melicope pallida)	Terrestrial

	Alani (Melicope quadrangularis)	Endangered	Dicot	No

	(Melicope quadrangularis)	Terrestrial

	Alani (Melicope reflexa)	Endangered	Dicot	Yes

	(Melicope reflexa)	Terrestrial

	Alani (Melicope saint-johnii)	Endangered	Dicot	Yes

	(Melicope saint-johnii)	Terrestrial

	Alani (Melicope zahlbruckneri)	Endangered	Dicot	Yes

	(Melicope zahlbruckneri)	Terrestrial

	Alsinidendron obovatum (ncn)	Endangered	Dicot	Yes

	(Alsinidendron obovatum)	Terrestrial

	Alsinidendron trinerve (ncn)	Endangered	Dicot	Yes

	(Alsinidendron trinerve)	Terrestrial

	Alsinidendron viscosum (ncn)	Endangered	Dicot	Yes

	(Alsinidendron viscosum)	Terrestrial

	Amaranthus brownii (ncn)	Endangered	Dicot	Yes

	(Amaranthus brownii)	Terrestrial

	'Anaunau (Lepidium arbuscula)	Endangered	Dicot	Yes

	(Lepidium arbuscula)	Terrestrial

	'Anunu (Sicyos alba)	Endangered	Dicot	Yes

	(Sicyos alba)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 34 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Aupaka (Isodendrion hosakae)	Endangered	Dicot	Yes

	(Isodendrion hosakae)	Terrestrial

	Aupaka (Isodendrion laurifolium)	Endangered	Dicot	Yes

	(Isodendrion laurifolium)	Terrestrial

	Aupaka (Isodendrion longifolium)	Threatened	Dicot	Yes

	(Isodendrion longifolium)	Terrestrial

	awikiwiki	Endangered	Dicot	No

	(Canavalia napaliensis)	Terrestrial

	'Awikiwiki (Canavalia molokaiensis)	Endangered	Dicot	Yes

	(Canavalia molokaiensis)	Terrestrial

	'Awiwi (Centaurium sebaeoides)	Endangered	Dicot	Yes

	(Centaurium sebaeoides)	Terrestrial

	'Awiwi (Hedyotis cookiana)	Endangered	Dicot	Yes

	(Hedyotis cookiana)	Terrestrial

	Bonamia menziesii (ncn)	Endangered	Dicot	Yes

	(Bonamia menziesii)	Terrestrial

	Chamaesyce Halemanui (ncn)	Endangered	Dicot	Yes

	(Chamaesyce halemanui)	Terrestrial

	Cyanea undulata (ncn)	Endangered	Dicot	Yes

	(Cyanea undulata)	Terrestrial

	Delissea rhytodisperma (ncn)	Endangered	Dicot	Yes

	(Delissea rhytidosperma)	Terrestrial

	Dubautia latifolia (ncn)	Endangered	Dicot	Yes

	(Dubautia latifolia)	Terrestrial

	Dubautia pauciflorula (ncn)	Endangered	Dicot	Yes

	(Dubautia pauciflorula)	Terrestrial

	Geranium, Hawaiian Red-flowered	Endangered	Dicot	Yes

	(Geranium arboreum)	Terrestrial

	Gouania hillebrandii (ncn)	Endangered	Dicot	Yes

	(Gouania hillebrandii)	Terrestrial

	Gouania meyenii (ncn)	Endangered	Dicot	Yes

	(Gouania meyenii)	Terrestrial

	Gouania vitifolia (ncn)	Endangered	Dicot	Yes

	(Gouania vitifolia)	Terrestrial

	haha	Endangered	Dicot	No

	(Cyanea eleeleensis)	Terrestrial

	Haha	Endangered	Dicot	No

	(Cyanea kuhihewa)	Terrestrial

	Haha (Cyanea acuminata)	Endangered	Dicot	Yes

	(Cyanea acuminata)	Terrestrial

	Haha (Cyanea asarifolia)	Endangered	Dicot	Yes

	(Cyanea asarifolia)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 35 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Haha (Cyanea copelandii ssp. copelandii)	Endangered	Dicot	No

	(Cyanea copelandii ssp. copelandii)	Terrestrial

	Haha (Cyanea copelandii ssp. haleakalaensis)	Endangered	Dicot	Yes

	(Cyanea copelandii ssp. haleakalaensis)	Terrestrial

	Haha (Cyanea Crispa) (=Rollandia crispa)	Endangered	Dicot	Yes

	(Cyanea (=Rollandia) crispa)	Terrestrial

	Haha (Cyanea dunbarii)	Endangered	Dicot	Yes

	(Cyanea dunbarii)	Terrestrial

	Haha (Cyanea glabra)	Endangered	Dicot	Yes

	(Cyanea glabra)	Terrestrial

	Haha (Cyanea grimesiana ssp. grimesiana)	Endangered	Dicot	Yes

	(Cyanea grimesiana ssp. grimesiana)	Terrestrial

	Haha (Cyanea grimesiana ssp. obatae)	Endangered	Dicot	Yes

	(Cyanea grimesiana ssp. obatae)	Terrestrial

	Haha (Cyanea hamatiflora ssp. carlsonii)	Endangered	Dicot	Yes

	(Cyanea hamatiflora carlsonii)	Terrestrial

	Haha (Cyanea hamatiflora ssp. hamatiflora)	Endangered	Dicot	Yes

	(Cyanea hamatiflora ssp. hamatiflora)	Terrestrial

	Haha (Cyanea humboldtiana)	Endangered	Dicot	Yes

	(Cyanea humboldtiana)	Terrestrial

	Haha (Cyanea koolauensis)	Endangered	Dicot	Yes

	(Cyanea koolauensis)	Terrestrial

	Haha (Cyanea longiflora)	Endangered	Dicot	Yes

	(Cyanea longiflora)	Terrestrial

	Haha (Cyanea Macrostegia var. gibsonii)	Endangered	Dicot	No

	(Cyanea macrostegia ssp. gibsonii)	Terrestrial

	Haha (Cyanea mannii)	Endangered	Dicot	Yes

	(Cyanea mannii)	Terrestrial

	Haha (Cyanea mceldowneyi)	Endangered	Dicot	Yes

	(Cyanea mceldowneyi)	Terrestrial

	Haha (Cyanea pinnatifida)	Endangered	Dicot	Yes

	(Cyanea pinnatifida)	Terrestrial

	Haha (Cyanea platyphylla)	Endangered	Dicot	Yes

	(Cyanea platyphylla)	Terrestrial

	Haha (Cyanea procera)	Endangered	Dicot	Yes

	(Cyanea procera)	Terrestrial

	Haha (Cyanea recta)	Threatened	Dicot	Yes

	(Cyanea recta)	Terrestrial

	Haha (Cyanea remyi)	Endangered	Dicot	Yes

	(Cyanea remyi)	Terrestrial

	Haha (Cyanea shipmanii)	Endangered	Dicot	Yes

	(Cyanea shipmannii)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 36 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Haha (Cyanea stictophylla)	Endangered	Dicot	Yes

	(Cyanea stictophylla)	Terrestrial

	Haha (Cyanea St-Johnii) (=Rollandia St-Johnii)	Endangered	Dicot	Yes

	(Cyanea st-johnii)	Terrestrial

	Haha (Cyanea superba)	Endangered	Dicot	Yes

	(Cyanea superba)	Terrestrial

	Ha'Iwale (Cyrtandra crenata)	Endangered	Dicot	No

	(Cyrtandra crenata)	Terrestrial

	Ha'Iwale (Cyrtandra dentata)	Endangered	Dicot	Yes

	(Cyrtandra dentata)	Terrestrial

	Ha'Iwale (Cyrtandra giffardii)	Endangered	Dicot	Yes

	(Cyrtandra giffardii)	Terrestrial

	Ha'Iwale (Cyrtandra limahuliensis)	Threatened	Dicot	Yes

	(Cyrtandra limahuliensis)	Terrestrial

	Ha'Iwale (Cyrtandra munroi)	Endangered	Dicot	Yes

	(Cyrtandra munroi)	Terrestrial

	Ha'Iwale (Cyrtandra polyantha)	Endangered	Dicot	Yes

	(Cyrtandra polyantha)	Terrestrial

	Ha'Iwale (Cyrtandra subumbellata)	Endangered	Dicot	Yes

	(Cyrtandra subumbellata)	Terrestrial

	Ha'Iwale (Cyrtandra tintinnabula)	Endangered	Dicot	Yes

	(Cyrtandra tintinnabula)	Terrestrial

	Ha'Iwale (Cyrtandra viridiflora)	Endangered	Dicot	Yes

	(Cyrtandra viridiflora)	Terrestrial

	Haplostachys Haplostachya (ncn)	Endangered	Dicot	No

	(Haplostachys haplostachya)	Terrestrial

	Hau Kauhiwi (Hibiscadelphus woodi)	Endangered	Dicot	Yes

	(Hibiscadelphus woodii)	Terrestrial

	Hau Kuahiwi (Hibiscadelphus distans)	Endangered	Dicot	No

	(Hibiscadelphus distans)	Terrestrial

	Heau (Exocarpos luteolus)	Endangered	Dicot	Yes

	(Exocarpos luteolus)	Terrestrial

	Hedyotis degeneri (ncn)	Endangered	Dicot	Yes

	(Hedyotis degeneri)	Terrestrial

	Hedyotis parvula (ncn)	Endangered	Dicot	Yes

	(Hedyotis parvula)	Terrestrial

	Hedyotis St.-Johnii (ncn)	Endangered	Dicot	Yes

	(Hedyotis st.-johnii)	Terrestrial

	Hesperomannia arborescens (ncn)	Endangered	Dicot	Yes

	(Hesperomannia arborescens)	Terrestrial

	Hesperomannia arbuscula (ncn)	Endangered	Dicot	Yes

	(Hesperomannia arbuscula)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 37 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Hesperomannia lydgatei (ncn)	Endangered	Dicot	Yes

	(Hesperomannia lydgatei)	Terrestrial

	Hibiscus, Clay's	Endangered	Dicot	Yes

	(Hibiscus clayi)	Terrestrial

	Hiiwale	Endangered	Dicot	No

	(Cyrtandra oenobarba)	Terrestrial

	ho'awa	Endangered	Dicot	No

	(Pittosporum napaliense)	Terrestrial

	Holei (Ochrosia kilaueaensis)	Endangered	Dicot	No

	(Ochrosia kilaueaensis)	Terrestrial

	Iliau (Wilkesia hobdyi)	Endangered	Dicot	Yes

	(Wilkesia hobdyi)	Terrestrial

	kamakahala	Endangered	Dicot	No

	(Labordia helleri)	Terrestrial

	kamakahala	Endangered	Dicot	No

	(Labordia pumila)	Terrestrial

	Kamakahala (Labordia cyrtandrae)	Endangered	Dicot	Yes

	(Labordia cyrtandrae)	Terrestrial

	Kamakahala (Labordia lydgatei)	Endangered	Dicot	Yes

	(Labordia lydgatei)	Terrestrial

	Kamakahala (Labordia tinifolia var. lanaiensis)	Endangered	Dicot	No

	(Labordia tinifolia var. lanaiensis)	Terrestrial

	Kamakahala (Labordia tinifolia var. wahiawaen)	Endangered	Dicot	Yes

	(Labordia tinifolia var. wahiawaensis)	Terrestrial

	Kamakahala (Labordia triflora)	Endangered	Dicot	No

	(Labordia triflora)	Terrestrial

	Kanaloa kahoolawensis (ncn)	Endangered	Dicot	Yes

	(Kanaloa kahoolawensis)	Terrestrial

	Kauila (Colubrina oppositifolia)	Endangered	Dicot	Yes

	(Colubrina oppositifolia)	Terrestrial

	Kaulu (Pteralyxia kauaiensis)	Endangered	Dicot	Yes

	(Pteralyxia kauaiensis)	Terrestrial

	Kio'Ele (Hedyotis coriacea)	Endangered	Dicot	Yes

	(Hedyotis coriacea)	Terrestrial

	Kiponapona (Phyllostegia racemosa)	Endangered	Dicot	Yes

	(Phyllostegia racemosa)	Terrestrial

	Koki'o (Kokia drynarioides)	Endangered	Dicot	Yes

	(Kokia drynarioides)	Terrestrial

	Koki'o (Kokia kauaiensis)	Endangered	Dicot	Yes

	(Kokia kauaiensis)	Terrestrial

	Koki'o Ke'oke'o (Hibiscus arnottianus ssp. immaculatus)	Endangered
Dicot	Yes

	(Hibiscus arnottianus ssp. immaculatus)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 38 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Koki'o Ke'oke'o (Hibiscus waimeae ssp. hannerae)	Endangered	Dicot	Yes

	(Hibiscus waimeae ssp. hannerae)	Terrestrial

	kolea	Endangered	Dicot	No

	(Myrsine mezii)	Terrestrial

	Kolea (Myrsine juddii)	Endangered	Dicot	Yes

	(Myrsine juddii)	Terrestrial

	Kolea (Myrsine linearifolia)	Threatened	Dicot	Yes

	(Myrsine linearifolia)	Terrestrial

	Ko'oko'olau (Bidens micrantha ssp. kalealaha)	Endangered	Dicot	Yes

	(Bidens micrantha ssp. kalealaha)	Terrestrial

	Ko'oko'olau (Bidens wiebkei)	Endangered	Dicot	Yes

	(Bidens wiebkei)	Terrestrial

	Ko'oloa'ula (Abutilon menziesii)	Endangered	Dicot	No

	(Abutilon menziesii)	Terrestrial

	Kopa (Hedyotis schlechtendahliana var. remyi)	Endangered	Dicot	No

	(Hedyotis schlechtendahliana var. remyi)	Terrestrial

	kopiko	Endangered	Dicot	No

	(Psychotria hobdyi)	Terrestrial

	kopiko	Endangered	Dicot	No

	(Psychotria grandiflora)	Terrestrial

	Kuawawaenohu (Alsinidendron lychnoides)	Endangered	Dicot	Yes

	(Alsinidendron lychnoides)	Terrestrial

	Kulu'I (Nototrichium humile)	Endangered	Dicot	Yes

	(Nototrichium humile)	Terrestrial

	Laukahi Kuahiwi (Plantago hawaiensis)	Endangered	Dicot	Yes

	(Plantago hawaiensis)	Terrestrial

	Laukahi Kuahiwi (Plantago princeps)	Endangered	Dicot	Yes

	(Plantago princeps)	Terrestrial

	Laulihilihi (Schiedea stellarioides)	Endangered	Dicot	Yes

	(Schiedea stellarioides)	Terrestrial

	lehua makanoe	Endangered	Dicot	No

	(Lysimachia daphnoides)	Terrestrial

	Lipochaeta venosa (ncn)	Endangered	Dicot	No

	(Lipochaeta venosa)	Terrestrial

	Lobelia monostachya (ncn)	Endangered	Dicot	Yes

	(Lobelia monostachya)	Terrestrial

	Lobelia niihauensis (ncn)	Endangered	Dicot	Yes

	(Lobelia niihauensis)	Terrestrial

	Lobelia oahuensis (ncn)	Endangered	Dicot	Yes

	(Lobelia oahuensis)	Terrestrial

	Lysimachia filifolia (ncn)	Endangered	Dicot	Yes

	(Lysimachia filifolia)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 39 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Lysimachia lydgatei (ncn)	Endangered	Dicot	Yes

	(Lysimachia lydgatei)	Terrestrial

	Lysimachia maxima (ncn)	Endangered	Dicot	Yes

	(Lysimachia maxima)	Terrestrial

	Mahoe (Alectryon macrococcus)	Endangered	Dicot	Yes

	(Alectryon macrococcus)	Terrestrial

	Makou (Peucedanum sandwicense)	Threatened	Dicot	Yes

	(Peucedanum sandwicense)	Terrestrial

	Ma'o Hau Hele (Hibiscus brackenridgei)	Endangered	Dicot	Yes

	(Hibiscus brackenridgei)	Terrestrial

	Ma'oli'oli (Schiedea apokremnos)	Endangered	Dicot	Yes

	(Schiedea apokremnos)	Terrestrial

	Ma'oli'oli (Schiedea kealiae)	Endangered	Dicot	Yes

	(Schiedea kealiae)	Terrestrial

	Mapele (Cyrtandra cyaneoides)	Endangered	Dicot	Yes

	(Cyrtandra cyaneoides)	Terrestrial

	Mehamehame (Flueggea neowawraea)	Endangered	Dicot	Yes

	(Flueggea neowawraea)	Terrestrial

	Munroidendron racemosum (ncn)	Endangered	Dicot	Yes

	(Munroidendron racemosum)	Terrestrial

	na`ena`e	Endangered	Dicot	No

	(Dubautia imbricata imbricata)	Terrestrial

	na`ena`e	Endangered	Dicot	No

	(Dubautia plantaginea magnifolia)	Terrestrial

	Na`ena`e	Endangered	Dicot	No

	(Dubautia waialealae)	Terrestrial

	Na'ena'e (Dubautia herbstobatae)	Endangered	Dicot	Yes

	(Dubautia herbstobatae)	Terrestrial

	Na'ena'e (Dubautia plantaginea ssp. humilis)	Endangered	Dicot	Yes

	(Dubautia plantaginea ssp. humilis)	Terrestrial

	Nani Wai'ale'ale (Viola kauaensis var. wahiawaensis)	Endangered	Dicot
Yes

	(Viola kauaiensis var. wahiawaensis)	Terrestrial

	Nanu (Gardenia mannii)	Endangered	Dicot	Yes

	(Gardenia mannii)	Terrestrial

	Na'u (Gardenia brighamii)	Endangered	Dicot	No

	(Gardenia brighamii)	Terrestrial

	Naupaka, Dwarf (Scaevola coriacea)	Endangered	Dicot	No

	(Scaevola coriacea)	Terrestrial

	Nehe (Lipochaeta fauriei)	Endangered	Dicot	Yes

	(Lipochaeta fauriei)	Terrestrial

	Nehe (Lipochaeta kamolensis)	Endangered	Dicot	Yes

	(Lipochaeta kamolensis)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 40 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Nehe (Lipochaeta lobata var. leptophylla)	Endangered	Dicot	Yes

	(Lipochaeta lobata var. leptophylla)	Terrestrial

	Nehe (Lipochaeta micrantha)	Endangered	Dicot	Yes

	(Lipochaeta micrantha)	Terrestrial

	Nehe (Lipochaeta tenuifolia)	Endangered	Dicot	Yes

	(Lipochaeta tenuifolia)	Terrestrial

	Nehe (Lipochaeta waimeaensis)	Endangered	Dicot	Yes

	(Lipochaeta waimeaensis)	Terrestrial

	Neraudia angulata (ncn)	Endangered	Dicot	Yes

	(Neraudia angulata)	Terrestrial

	Neraudia ovata (ncn)	Endangered	Dicot	Yes

	(Neraudia ovata)	Terrestrial

	Neraudia sericea (ncn)	Endangered	Dicot	Yes

	(Neraudia sericea)	Terrestrial

	Nioi (Eugenia koolauensis)	Endangered	Dicot	Yes

	(Eugenia koolauensis)	Terrestrial

	nohoanu	Endangered	Dicot	No

	(Geranium kauaiense)	Terrestrial

	Nohoanu (Geranium multiflorum)	Endangered	Dicot	Yes

	(Geranium multiflorum)	Terrestrial

	'Oha (Delissea rivularis)	Endangered	Dicot	Yes

	(Delissea rivularis)	Terrestrial

	'Oha (Delissea subcordata)	Endangered	Dicot	Yes

	(Delissea subcordata)	Terrestrial

	'Oha (Delissea undulata)	Endangered	Dicot	Yes

	(Delissea undulata)	Terrestrial

	'Oha (Lobelia gaudichaudii koolauensis)	Endangered	Dicot	Yes

	(Lobelia gaudichaudii ssp. koolauensis)	Terrestrial

	'Oha Wai (Clermontia drepanomorpha)	Endangered	Dicot	Yes

	(Clermontia drepanomorpha)	Terrestrial

	'Oha Wai (Clermontia lindseyana)	Endangered	Dicot	Yes

	(Clermontia lindseyana)	Terrestrial

	'Oha Wai (Clermontia oblongifolia ssp. brevipes)	Endangered	Dicot	Yes

	(Clermontia oblongifolia ssp. brevipes)	Terrestrial

	'Oha Wai (Clermontia oblongifolia ssp. mauiensis)	Endangered	Dicot	Yes

	(Clermontia oblongifolia ssp. mauiensis)	Terrestrial

	'Oha Wai (Clermontia peleana)	Endangered	Dicot	Yes

	(Clermontia peleana)	Terrestrial

	'Oha Wai (Clermontia pyrularia)	Endangered	Dicot	Yes

	(Clermontia pyrularia)	Terrestrial

	'Oha Wai (Clermontia samuelii)	Endangered	Dicot	Yes

	(Clermontia samuelii)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 41 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	'Ohai (Sesbania tomentosa)	Endangered	Dicot	Yes

	(Sesbania tomentosa)	Terrestrial

	'Ohe'ohe (Tetraplasandra gymnocarpa)	Endangered	Dicot	Yes

	(Tetraplasandra gymnocarpa)	Terrestrial

	'Olulu (Brighamia insignis)	Endangered	Dicot	Yes

	(Brighamia insignis)	Terrestrial

	Opuhe (Urera kaalae)	Endangered	Dicot	Yes

	(Urera kaalae)	Terrestrial

	Pamakani (Viola chamissoniana ssp. chamissoniana)	Endangered	Dicot	Yes

	(Viola chamissoniana ssp. chamissoniana)	Terrestrial

	Papala	Endangered	Dicot	No

	(Charpentiera densiflora)	Terrestrial

	Phyllostegia hirsuta (ncn)	Endangered	Dicot	Yes

	(Phyllostegia hirsuta)	Terrestrial

	Phyllostegia kaalaensis (ncn)	Endangered	Dicot	Yes

	(Phyllostegia kaalaensis)	Terrestrial

	Phyllostegia knudsenii (ncn)	Endangered	Dicot	Yes

	(Phyllostegia knudsenii)	Terrestrial

	Phyllostegia mannii (ncn)	Endangered	Dicot	Yes

	(Phyllostegia mannii)	Terrestrial

	Phyllostegia mollis (ncn)	Endangered	Dicot	Yes

	(Phyllostegia mollis)	Terrestrial

	Phyllostegia parviflora (ncn)	Endangered	Dicot	Yes

	(Phyllostegia parviflora)	Terrestrial

	Phyllostegia velutina (ncn)	Endangered	Dicot	Yes

	(Phyllostegia velutina)	Terrestrial

	Phyllostegia waimeae (ncn)	Endangered	Dicot	Yes

	(Phyllostegia waimeae)	Terrestrial

	Phyllostegia warshaueri (ncn)	Endangered	Dicot	Yes

	(Phyllostegia warshaueri)	Terrestrial

	Phyllostegia wawrana (ncn)	Endangered	Dicot	Yes

	(Phyllostegia wawrana)	Terrestrial

	Pilo (Hedyotis mannii)	Endangered	Dicot	Yes

	(Hedyotis mannii)	Terrestrial

	pilo kea lau li`i	Endangered	Dicot	No

	(Platydesma rostrata)	Terrestrial

	Po'e (Portulaca sclerocarpa)	Endangered	Dicot	Yes

	(Portulaca sclerocarpa)	Terrestrial

	Popolo 'Aiakeakua (Solanum sandwicense)	Endangered	Dicot	Yes

	(Solanum sandwicense)	Terrestrial

	Popolo Ku Mai (Solanum incompletum)	Endangered	Dicot	Yes

	(Solanum incompletum)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 42 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Pua'ala (Brighamia rockii)	Endangered	Dicot	Yes

	(Brighamia rockii)	Terrestrial

	Remya kauaiensis (ncn)	Endangered	Dicot	Yes

	(Remya kauaiensis)	Terrestrial

	Remya montgomeryi (ncn)	Endangered	Dicot	Yes

	(Remya montgomeryi)	Terrestrial

	Remya, Maui	Endangered	Dicot	Yes

	(Remya mauiensis)	Terrestrial

	Sandalwood, Lanai (='Iliahi)	Endangered	Dicot	No

	(Santalum freycinetianum var. lanaiense)	Terrestrial

	Sanicula mariversa (ncn)	Endangered	Dicot	Yes

	(Sanicula mariversa)	Terrestrial

	Sanicula purpurea (ncn)	Endangered	Dicot	Yes

	(Sanicula purpurea)	Terrestrial

	Schiedea haleakalensis (ncn)	Endangered	Dicot	Yes

	(Schiedea haleakalensis)	Terrestrial

	Schiedea helleri (ncn)	Endangered	Dicot	Yes

	(Schiedea helleri)	Terrestrial

	Schiedea hookeri (ncn)	Endangered	Dicot	Yes

	(Schiedea hookeri)	Terrestrial

	Schiedea kaalae (ncn)	Endangered	Dicot	Yes

	(Schiedea kaalae)	Terrestrial

	Schiedea kauaiensis (ncn)	Endangered	Dicot	Yes

	(Schiedea kauaiensis)	Terrestrial

	Schiedea lydgatei (ncn)	Endangered	Dicot	Yes

	(Schiedea lydgatei)	Terrestrial

	Schiedea membranacea (ncn)	Endangered	Dicot	Yes

	(Schiedea membranacea)	Terrestrial

	Schiedea nuttallii (ncn)	Endangered	Dicot	Yes

	(Schiedea nuttallii)	Terrestrial

	Schiedea sarmentosa (ncn)	Endangered	Dicot	Yes

	(Schiedea sarmentosa)	Terrestrial

	Schiedea spergulina var. leiopoda (ncn)	Endangered	Dicot	Yes

	(Schiedea spergulina var. leiopoda)	Terrestrial

	Schiedea spergulina var. spergulina (ncn)	Threatened	Dicot	Yes

	(Schiedea spergulina var. spergulina)	Terrestrial

	Schiedea verticillata (ncn)	Endangered	Dicot	Yes

	(Schiedea verticillata)	Terrestrial

	Schiedea, Diamond Head (Schiedea adamantis)	Endangered	Dicot	No

	(Schiedea adamantis)	Terrestrial

	Silene alexandri (ncn)	Endangered	Dicot	Yes

	(Silene alexandri)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 43 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Silene hawaiiensis (ncn)	Threatened	Dicot	Yes

	(Silene hawaiiensis)	Terrestrial

	Silene lanceolata (ncn)	Endangered	Dicot	Yes

	(Silene lanceolata)	Terrestrial

	Silene perlmanii (ncn)	Endangered	Dicot	Yes

	(Silene perlmanii)	Terrestrial

	Silversword, Haleakala ('Ahinahina)	Threatened	Dicot	Yes

	(Argyroxiphium sandwicense ssp. macrocephalum)	Terrestrial

	Silversword, Ka'u (Argyroxiphium kauense)	Endangered	Dicot	Yes

	(Argyroxiphium kauense)	Terrestrial

	Silversword, Mauna Kea ('Ahinahina)	Endangered	Dicot	No

	(Argyroxiphium sandwicense ssp. sandwicense)	Terrestrial

	Spermolepis hawaiiensis (ncn)	Endangered	Dicot	Yes

	(Spermolepis hawaiiensis)	Terrestrial

	Stenogyne angustifolia (ncn)	Endangered	Dicot	No

	(Stenogyne angustifolia var. angustifolia)	Terrestrial

	Stenogyne bifida (ncn)	Endangered	Dicot	Yes

	(Stenogyne bifida)	Terrestrial

	Stenogyne campanulata (ncn)	Endangered	Dicot	Yes

	(Stenogyne campanulata)	Terrestrial

	Stenogyne kanehoana (ncn)	Endangered	Dicot	Yes

	(Stenogyne kanehoana)	Terrestrial

	Tetramolopium arenarium (ncn)	Endangered	Dicot	No

	(Tetramolopium arenarium)	Terrestrial

	Tetramolopium capillare (ncn)	Endangered	Dicot	Yes

	(Tetramolopium capillare)	Terrestrial

	Tetramolopium filiforme (ncn)	Endangered	Dicot	Yes

	(Tetramolopium filiforme)	Terrestrial

	Tetramolopium lepidotum ssp. lepidotum (ncn)	Endangered	Dicot	Yes

	(Tetramolopium lepidotum ssp. lepidotum)	Terrestrial

	Tetramolopium remyi (ncn)	Endangered	Dicot	Yes

	(Tetramolopium remyi)	Terrestrial

	Tetramolopium rockii (ncn)	Threatened	Dicot	Yes

	(Tetramolopium rockii)	Coastal (neritic), Terrestrial

	Trematolobelia singularis (ncn)	Endangered	Dicot	Yes

	(Trematolobelia singularis)	Terrestrial

	Uhiuhi (Caesalpinia kavaiensis)	Endangered	Dicot	No

	(Caesalpinia kavaiense)	Terrestrial

	Ulihi (Phyllostegia glabra var. lanaiensis)	Endangered	Dicot	No

	(Phyllostegia glabra var. lanaiensis)	Terrestrial

	Vetch, Hawaiian (Vicia menziesii)	Endangered	Dicot	No

	(Vicia menziesii)	Terrestrial

6/5/2010 11:51:19 AM   Ver. 2.10.4	Page 44 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Vigna o-wahuensis (ncn)	Endangered	Dicot	Yes

	(Vigna o-wahuensis)	Terrestrial

	Viola helenae (ncn)	Endangered	Dicot	Yes

	(Viola helenae)	Terrestrial

	Viola lanaiensis (ncn)	Endangered	Dicot	No

	(Viola lanaiensis)	Terrestrial

	Viola oahuensis (ncn)	Endangered	Dicot	Yes

	(Viola oahuensis)	Terrestrial

	Wahine Noho Kula (Isodendrion pyrifolium)	Endangered	Dicot	Yes

	(Isodendrion pyrifolium)	Terrestrial

	Xylosma crenatum (ncn)	Endangered	Dicot	Yes

	(Xylosma crenatum)	Terrestrial

	Asplenium fragile var. insulare (ncn)	Endangered	Ferns	Yes

	(Asplenium fragile var. insulare)	Terrestrial

	Diellia erecta (ncn)	Endangered	Ferns	Yes

	(Diellia erecta)	Terrestrial

	Diellia falcata (ncn)	Endangered	Ferns	Yes

	(Diellia falcata)	Terrestrial

	Diellia pallida (ncn)	Endangered	Ferns	Yes

	(Diellia pallida)	Terrestrial

	Diellia unisora (ncn)	Endangered	Ferns	Yes

	(Diellia unisora)	Terrestrial

	Diplazium molokaiense (ncn)	Endangered	Ferns	Yes

	(Diplazium molokaiense)	Terrestrial

	Fern, Pendant Kihi (Adenophorus periens)	Endangered	Ferns	Yes

	(Adenophorus periens)	Terrestrial

	'Ihi'Ihi (Marsilea villosa)	Endangered	Ferns	Yes

	(Marsilea villosa)	Vernal pool, Terrestrial

	Pauoa (Ctenitis squamigera)	Endangered	Ferns	Yes

	(Ctenitis squamigera)	Terrestrial

	Pteris lidgatei (ncn)	Endangered	Ferns	Yes

	(Pteris lidgatei)	Terrestrial

	Wawae'Iole (Phlegmariurus (=Huperzia) mannii)	Endangered	Ferns	Yes

	(Huperzia mannii)	Terrestrial

	Wawae'Iole (Phlegmariurus (=Lycopodium) nutans)	Endangered	Ferns	Yes

	(Lycopodium (=Phlegmariurus) nutans)	Terrestrial

	Snail, Newcomb's	Threatened	Gastropod	Yes

	(Erinna newcombi)	Freshwater

	Snail, O'ahu Tree (Achatinella abbreviata)	Endangered	Gastropod	No

	(Achatinella abbreviata)	Terrestrial

	Snail, O'ahu Tree (Achatinella apexfulva)	Endangered	Gastropod	No

	(Achatinella apexfulva)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 45 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Snail, O'ahu Tree (Achatinella bellula)	Endangered	Gastropod	No

	(Achatinella bellula)	Terrestrial

	Snail, O'ahu Tree (Achatinella buddii)	Endangered	Gastropod	No

	(Achatinella buddii)	Terrestrial

	Snail, O'ahu Tree (Achatinella bulimoides)	Endangered	Gastropod	No

	(Achatinella bulimoides)	Terrestrial

	Snail, O'ahu Tree (Achatinella byronii)	Endangered	Gastropod	No

	(Achatinella byronii)	Terrestrial

	Snail, O'ahu Tree (Achatinella caesia)	Endangered	Gastropod	No

	(Achatinella caesia)	Terrestrial

	Snail, O'ahu Tree (Achatinella casta)	Endangered	Gastropod	No

	(Achatinella casta)	Terrestrial

	Snail, O'ahu Tree (Achatinella cestus)	Endangered	Gastropod	No

	(Achatinella cestus)	Terrestrial

	Snail, O'ahu Tree (Achatinella concavospira)	Endangered	Gastropod	No

	(Achatinella concavospira)	Terrestrial

	Snail, O'ahu Tree (Achatinella curta)	Endangered	Gastropod	No

	(Achatinella curta)	Terrestrial

	Snail, O'ahu Tree (Achatinella decipiens)	Endangered	Gastropod	No

	(Achatinella decipiens)	Terrestrial

	Snail, O'ahu Tree (Achatinella decora)	Endangered	Gastropod	No

	(Achatinella decora)	Terrestrial

	Snail, O'ahu Tree (Achatinella dimorpha)	Endangered	Gastropod	No

	(Achatinella dimorpha)	Terrestrial

	Snail, O'ahu Tree (Achatinella elegans)	Endangered	Gastropod	No

	(Achatinella elegans)	Terrestrial

	Snail, O'ahu Tree (Achatinella fulgens)	Endangered	Gastropod	No

	(Achatinella fulgens)	Terrestrial

	Snail, O'ahu Tree (Achatinella fuscobasis)	Endangered	Gastropod	No

	(Achatinella fuscobasis)	Terrestrial

	Snail, O'ahu Tree (Achatinella juddii)	Endangered	Gastropod	No

	(Achatinella juddii)	Terrestrial

	Snail, O'ahu Tree (Achatinella juncea)	Endangered	Gastropod	No

	(Achatinella juncea)	Terrestrial

	Snail, O'ahu Tree (Achatinella lehuiensis)	Endangered	Gastropod	No

	(Achatinella lehuiensis)	Terrestrial

	Snail, O'ahu Tree (Achatinella leucorraphe)	Endangered	Gastropod	No

	(Achatinella leucorraphe)	Terrestrial

	Snail, O'ahu Tree (Achatinella lila)	Endangered	Gastropod	No

	(Achatinella lila)	Terrestrial

	Snail, O'ahu Tree (Achatinella livida)	Endangered	Gastropod	No

	(Achatinella livida)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 46 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Snail, O'ahu Tree (Achatinella lorata)	Endangered	Gastropod	No

	(Achatinella lorata)	Terrestrial

	Snail, O'ahu Tree (Achatinella mustelina)	Endangered	Gastropod	No

	(Achatinella mustelina)	Terrestrial

	Snail, O'ahu Tree (Achatinella papyracea)	Endangered	Gastropod	No

	(Achatinella papyracea)	Terrestrial

	Snail, O'ahu Tree (Achatinella phaeozona)	Endangered	Gastropod	No

	(Achatinella phaeozona)	Terrestrial

	Snail, O'ahu Tree (Achatinella pulcherrima)	Endangered	Gastropod	No

	(Achatinella pulcherrima)	Terrestrial

	Snail, O'ahu Tree (Achatinella pupukanioe)	Endangered	Gastropod	No

	(Achatinella pupukanioe)	Terrestrial

	Snail, O'ahu Tree (Achatinella rosea)	Endangered	Gastropod	No

	(Achatinella rosea)	Terrestrial

	Snail, O'ahu Tree (Achatinella sowerbyana)	Endangered	Gastropod	No

	(Achatinella sowerbyana)	Terrestrial

	Snail, O'ahu Tree (Achatinella spaldingi)	Endangered	Gastropod	No

	(Achatinella spaldingi)	Terrestrial

	Snail, O'ahu Tree (Achatinella stewartii)	Endangered	Gastropod	No

	(Achatinella stewartii)	Terrestrial

	Snail, O'ahu Tree (Achatinella swiftii)	Endangered	Gastropod	No

	(Achatinella swiftii)	Terrestrial

	Snail, O'ahu Tree (Achatinella taeniolata)	Endangered	Gastropod	No

	(Achatinella taeniolata)	Terrestrial

	Snail, O'ahu Tree (Achatinella thaanumi)	Endangered	Gastropod	No

	(Achatinella thaanumi)	Terrestrial

	Snail, O'ahu Tree (Achatinella turgida)	Endangered	Gastropod	No

	(Achatinella turgida)	Terrestrial

	Snail, O'ahu Tree (Achatinella valida)	Endangered	Gastropod	No

	(Achatinella valida)	Terrestrial

	Hawaiian picture-wing Fly	Endangered	Insect	No

	(Drosophila sharpi)	Terrestrial

	Moth, Blackburn's Sphinx	Endangered	Insect	Yes

	(Manduca blackburni)	Terrestrial

	Bat, Hawaiian Hoary	Endangered	Mammal	No

	(Lasiurus cinereus semotus)	Terrestrial, Subterraneous

	Seal, Hawaiian Monk	Endangered	Marine mml	Yes

	(Monachus schauinslandi)	Coastal (neritic), Saltwater

	Bluegrass, Hawaiian	Endangered	Monocot	Yes

	(Poa sandvicensis)	Terrestrial

	Bluegrass, Mann's (Poa mannii)	Endangered	Monocot	Yes

	(Poa mannii)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 47 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Gahnia Lanaiensis (ncn)	Endangered	Monocot	No

	(Gahnia lanaiensis)	Terrestrial

	Grass, Fosberg's Love	Endangered	Monocot	Yes

	(Eragrostis fosbergii)	Terrestrial

	Hala Pepe (Pleomele hawaiiensis)	Endangered	Monocot	Yes

	(Pleomele hawaiiensis)	Terrestrial

	Hilo Ischaemum (Ischaemum byrone)	Endangered	Monocot	Yes

	(Ischaemum byrone)	Terrestrial

	Kamanomano (Cenchrus agrimonioides)	Endangered	Monocot	Yes

	(Cenchrus agrimonioides)	Terrestrial

	Lau'ehu (Panicum niihauense)	Endangered	Monocot	Yes

	(Panicum niihauense)	Terrestrial

	lo`ulu	Endangered	Monocot	No

	(Pritchardia hardyi)	Terrestrial

	Lo`ulu (Pritchardia affinis)	Endangered	Monocot	No

	(Pritchardia affinis)	Terrestrial

	Lo`ulu (Pritchardia kaalae)	Endangered	Monocot	No

	(Pritchardia kaalae)	Terrestrial

	Lo`ulu (Pritchardia munroi)	Endangered	Monocot	Yes

	(Pritchardia munroi)	Terrestrial

	Lo`ulu (Pritchardia napaliensis)	Endangered	Monocot	No

	(Pritchardia napaliensis)	Terrestrial

	Lo`ulu (Pritchardia remota)	Endangered	Monocot	Yes

	(Pritchardia remota)	Terrestrial

	Lo`ulu (Pritchardia schattaueri)	Endangered	Monocot	No

	(Pritchardia schattaueri)	Terrestrial

	Lo`ulu (Pritchardia viscosa)	Endangered	Monocot	No

	(Pritchardia viscosa)	Terrestrial

	Mariscus fauriei (ncn)	Endangered	Monocot	Yes

	(Mariscus fauriei)	Terrestrial

	Mariscus pennatiformis (ncn)	Endangered	Monocot	Yes

	(Mariscus pennatiformis)	Terrestrial

	Pa'iniu	Endangered	Monocot	No

	(Astelia waialealae)	Terrestrial

	Panicgrass, Carter's (Panicum fauriei var.carteri)	Endangered	Monocot
Yes

	(Panicum fauriei var. carteri)	Terrestrial

	Platanthera holochila (ncn)	Endangered	Monocot	Yes

	(Platanthera holochila)	Terrestrial

	Poa siphonoglossa (ncn)	Endangered	Monocot	Yes

	(Poa siphonoglossa)	Terrestrial

	Pu'uka'a (Cyperus trachysanthos)	Endangered	Monocot	Yes

	(Cyperus trachysanthos)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 48 of 92

	Hawaii	( 375) species:	Taxa	Critical Habitat

	Wahane (Pritchardia aylmer-robinsonii)	Endangered	Monocot	No

	(Pritchardia aylmer-robinsonii)	Terrestrial

	Sea turtle, green	Endangered	Reptile	No

	(Chelonia mydas)	Saltwater

	Sea turtle, hawksbill	Endangered	Reptile	Yes

	(Eretmochelys imbricata)	Saltwater

	Idaho	( 20) species:	Taxa	Critical Habitat

	Crane, Whooping	Endangered	Bird	Yes

	(Grus americana)	Terrestrial, Freshwater

	Catchfly, Spalding's	Threatened	Dicot	No

	(Silene spaldingii)	Terrestrial

	Four-o'clock, Macfarlane's	Threatened	Dicot	No

	(Mirabilis macfarlanei)	Terrestrial

	Howellia, Water	Threatened	Dicot	No

	(Howellia aquatilis)	Freshwater

	Salmon, Chinook (Snake River Fall Run)	Threatened	Fish	No

	(Oncorhynchus (=Salmo) tshawytscha)	Freshwater, Saltwater, Brackish

	Salmon, Chinook (Snake River spring/summer)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Brackish, Saltwater, Freshwater

	Salmon, Sockeye (Snake River population)	Endangered	Fish	No

	(Oncorhynchus (=Salmo) nerka)	Brackish, Saltwater, Freshwater

	Steelhead, (Snake River Basin population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Freshwater, Brackish, Saltwater

	Sturgeon, White	Endangered	Fish	Yes

	(Acipenser transmontanus)	Saltwater, Freshwater

	Trout, Bull	Threatened	Fish	No

	(Salvelinus confluentus)	Freshwater

	Trout, Bull (Columbia River population)	Threatened	Fish	Yes

	(Salvelinus confluentus)	Freshwater

	Trout, Bull (Klamath River population)	Threatened	Fish	Yes

	(Salvelinus confluentus)	Freshwater

	Limpet, Banbury Springs	Endangered	Gastropod	No

	(Lanx sp.)	Freshwater

	Snail, Bliss Rapids	Threatened	Gastropod	No

	(Taylorconcha serpenticola)	Freshwater

	Snail, Snake River Physa	Endangered	Gastropod	No

	(Physa natricina)	Terrestrial

	Snail, Utah Valvata	Endangered	Gastropod	No

	(Valvata utahensis)	Terrestrial

	Springsnail, Bruneau Hot	Endangered	Gastropod	No

	(Pyrgulopsis bruneauensis)	Freshwater

	Bear, Grizzly	Threatened	Mammal	No

	(Ursus arctos horribilis)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 49 of 92

	Idaho	( 20) species:	Taxa	Critical Habitat

	Caribou, Woodland	Endangered	Mammal	No

	(Rangifer tarandus caribou)	Terrestrial

	Squirrel, Northern Idaho Ground	Threatened	Mammal	No

	(Spermophilus brunneus brunneus)	Terrestrial

	Illinois	( 24) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Fanshell	Endangered	Bivalve	No

	(Cyprogenia stegaria)	Freshwater

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

	Pearlymussel, Fat Pocketbook	Endangered	Bivalve	No

	(Potamilus capax)	Freshwater

	Pearlymussel, Higgins' Eye	Endangered	Bivalve	No

	(Lampsilis higginsii)	Freshwater

	Pearlymussel, Orange-footed	Endangered	Bivalve	No

	(Plethobasus cooperianus)	Freshwater

	Pearlymussel, White Wartyback	Endangered	Bivalve	No

	(Plethobasus cicatricosus)	Freshwater

	Amphipod, Illinois Cave	Endangered	Crustacean	No

	(Gammarus acherondytes)	Subterraneous, Freshwater

	Aster, Decurrent False	Threatened	Dicot	No

	(Boltonia decurrens)	Terrestrial, Freshwater

	Clover, Leafy Prairie	Endangered	Dicot	No

	(Dalea foliosa)	Terrestrial

	Clover, Prairie Bush	Threatened	Dicot	No

	(Lespedeza leptostachya)	Terrestrial

	Daisy, Lakeside	Threatened	Dicot	No

	(Hymenoxys herbacea)	Freshwater

	Milkweed, Mead's	Threatened	Dicot	No

	(Asclepias meadii)	Terrestrial

	Potato-bean, Price's	Threatened	Dicot	No

	(Apios priceana)	Terrestrial

	Thistle, Pitcher's	Threatened	Dicot	No

	(Cirsium pitcheri)	Terrestrial

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Snail, Iowa Pleistocene	Endangered	Gastropod	No

	(Discus macclintocki)	Terrestrial

	Butterfly, Karner Blue	Endangered	Insect	No

	(Lycaeides melissa samuelis)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 50 of 92

	Illinois	( 24) species:	Taxa	Critical Habitat

	Dragonfly, Hine's Emerald	Endangered	Insect	Yes

	(Somatochlora hineana)	Freshwater, Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Orchid, Eastern Prairie Fringed	Threatened	Monocot	No

	(Platanthera leucophaea)	Terrestrial

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Indiana	( 20) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Fanshell	Endangered	Bivalve	No

	(Cyprogenia stegaria)	Freshwater

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

	Mussel, Clubshell	Endangered	Bivalve	No

	(Pleurobema clava)	Freshwater

	Mussel, Ring Pink (=Golf Stick Pearly)	Endangered	Bivalve	No

	(Obovaria retusa)	Freshwater

	Mussel, Rough Pigtoe	Endangered	Bivalve	No

	(Pleurobema plenum)	Freshwater

	Pearlymussel, Fat Pocketbook	Endangered	Bivalve	No

	(Potamilus capax)	Freshwater

	Pearlymussel, Tubercled-blossom	Endangered	Bivalve	No

	(Epioblasma torulosa torulosa)	Freshwater

	Pearlymussel, White Cat's Paw	Endangered	Bivalve	No

	(Epioblasma obliquata perobliqua)	Freshwater

	Pearlymussel, White Wartyback	Endangered	Bivalve	No

	(Plethobasus cicatricosus)	Freshwater

	Riffleshell, Northern	Endangered	Bivalve	No

	(Epioblasma torulosa rangiana)	Freshwater

	Clover, Running Buffalo	Endangered	Dicot	No

	(Trifolium stoloniferum)	Terrestrial

	Goldenrod, Short's	Endangered	Dicot	No

	(Solidago shortii)	Terrestrial

	Milkweed, Mead's	Threatened	Dicot	No

	(Asclepias meadii)	Terrestrial

	Thistle, Pitcher's	Threatened	Dicot	No

	(Cirsium pitcheri)	Terrestrial

	Butterfly, Karner Blue	Endangered	Insect	No

	(Lycaeides melissa samuelis)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 51 of 92

	Indiana	( 20) species:	Taxa	Critical Habitat

	Butterfly, Mitchell's Satyr	Endangered	Insect	No

	(Neonympha mitchellii mitchellii)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Snake, Northern Copperbelly Water	Threatened	Reptile	No

	(Nerodia erythrogaster neglecta)	Freshwater, Terrestrial

	Iowa	( 14) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Pearlymussel, Fat Pocketbook	Endangered	Bivalve	No

	(Potamilus capax)	Freshwater

	Pearlymussel, Higgins' Eye	Endangered	Bivalve	No

	(Lampsilis higginsii)	Freshwater

	Clover, Prairie Bush	Threatened	Dicot	No

	(Lespedeza leptostachya)	Terrestrial

	Milkweed, Mead's	Threatened	Dicot	No

	(Asclepias meadii)	Terrestrial

	Monkshood, Northern Wild	Threatened	Dicot	No

	(Aconitum noveboracense)	Terrestrial

	Fern, American hart's-tongue	Threatened	Ferns	No

	(Asplenium scolopendrium var. americanum)	Terrestrial

	Shiner, Topeka	Endangered	Fish	Yes

	(Notropis topeka (=tristis))	Freshwater

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Snail, Iowa Pleistocene	Endangered	Gastropod	No

	(Discus macclintocki)	Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Orchid, Eastern Prairie Fringed	Threatened	Monocot	No

	(Platanthera leucophaea)	Terrestrial

	Orchid, Western Prairie Fringed	Threatened	Monocot	No

	(Platanthera praeclara)	Terrestrial

	Kansas	( 12) species:	Taxa	Critical Habitat

	Crane, Whooping	Endangered	Bird	Yes

	(Grus americana)	Terrestrial, Freshwater

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 52 of 92

	Kansas	( 12) species:	Taxa	Critical Habitat

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Milkweed, Mead's	Threatened	Dicot	No

	(Asclepias meadii)	Terrestrial

	Madtom, Neosho	Threatened	Fish	No

	(Noturus placidus)	Freshwater

	Shiner, Arkansas River	Threatened	Fish	Yes

	(Notropis girardi)	Freshwater

	Shiner, Topeka	Endangered	Fish	Yes

	(Notropis topeka (=tristis))	Freshwater

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Ferret, Black-footed	Endangered	Mammal	No

	(Mustela nigripes)	Terrestrial

	Orchid, Western Prairie Fringed	Threatened	Monocot	No

	(Platanthera praeclara)	Terrestrial

	Kentucky	( 48) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Warbler (=Wood), Kirtland's	Endangered	Bird	No

	(Dendroica kirtlandii)	Terrestrial

	Warbler, Bachman's	Endangered	Bird	No

	(Vermivora bachmanii)	Terrestrial

	Woodpecker, Ivory-billed	Endangered	Bird	No

	(Campephilus principalis)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Fanshell	Endangered	Bivalve	No

	(Cyprogenia stegaria)	Freshwater

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

	Mussel, Clubshell	Endangered	Bivalve	No

	(Pleurobema clava)	Freshwater

	Mussel, Cumberland Combshell	Endangered	Bivalve	Yes

	(Epioblasma brevidens)	Freshwater

	Mussel, Cumberland Elktoe	Endangered	Bivalve	Yes

	(Alasmidonta atropurpurea)	Freshwater

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 53 of 92

	Kentucky	( 48) species:	Taxa	Critical Habitat

	Mussel, Oyster	Endangered	Bivalve	Yes

	(Epioblasma capsaeformis)	Freshwater

	Mussel, Ring Pink (=Golf Stick Pearly)	Endangered	Bivalve	No

	(Obovaria retusa)	Freshwater

	Mussel, Rough Pigtoe	Endangered	Bivalve	No

	(Pleurobema plenum)	Freshwater

	Mussel, Winged Mapleleaf	Endangered	Bivalve	No

	(Quadrula fragosa)	Freshwater

	Pearlymussel, Appalachian Monkeyface	Endangered	Bivalve	No

	(Quadrula sparsa)	Freshwater

	Pearlymussel, Cracking	Endangered	Bivalve	No

	(Hemistena lata)	Freshwater

	Pearlymussel, Cumberland Bean	Endangered	Bivalve	No

	(Villosa trabalis)	Freshwater

	Pearlymussel, Dromedary	Endangered	Bivalve	No

	(Dromus dromas)	Freshwater

	Pearlymussel, Fat Pocketbook	Endangered	Bivalve	No

	(Potamilus capax)	Freshwater

	Pearlymussel, Little-wing	Endangered	Bivalve	No

	(Pegias fabula)	Freshwater

	Pearlymussel, Orange-footed	Endangered	Bivalve	No

	(Plethobasus cooperianus)	Freshwater

	Pearlymussel, Purple Cat's Paw	Endangered	Bivalve	No

	(Epioblasma obliquata obliquata)	Freshwater

	Pearlymussel, Tubercled-blossom	Endangered	Bivalve	No

	(Epioblasma torulosa torulosa)	Freshwater

	Pearlymussel, White Wartyback	Endangered	Bivalve	No

	(Plethobasus cicatricosus)	Freshwater

	Pearlymussel, Yellow-blossom	Endangered	Bivalve	No

	(Epioblasma florentina florentina)	Freshwater

	Riffleshell, Northern	Endangered	Bivalve	No

	(Epioblasma torulosa rangiana)	Freshwater

	Riffleshell, Tan	Endangered	Bivalve	No

	(Epioblasma florentina walkeri (=E. walkeri))	Freshwater

	Shrimp, Kentucky Cave	Endangered	Crustacean	Yes

	(Palaemonias ganteri)	Freshwater

	Chaffseed, American	Endangered	Dicot	No

	(Schwalbea americana)	Terrestrial

	Clover, Running Buffalo	Endangered	Dicot	No

	(Trifolium stoloniferum)	Terrestrial

	Goldenrod, Short's	Endangered	Dicot	No

	(Solidago shortii)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 54 of 92

	Kentucky	( 48) species:	Taxa	Critical Habitat

	Goldenrod, White-haired	Threatened	Dicot	No

	(Solidago albopilosa)	Terrestrial

	Potato-bean, Price's	Threatened	Dicot	No

	(Apios priceana)	Terrestrial

	Rock-cress, Large (=Braun's)	Endangered	Dicot	Yes

	(Arabis perstellata E. L. Braun var. ampla Rollins)	Terrestrial

	Rock-cress, Small	Endangered	Dicot	Yes

	(Arabis perstellata E. L. Braun var. perstellata Fernald)	Terrestrial

	Rosemary, Cumberland	Threatened	Dicot	No

	(Conradina verticillata)	Terrestrial

	Sandwort, Cumberland	Endangered	Dicot	No

	(Arenaria cumberlandensis)	Terrestrial

	Spiraea, Virginia	Threatened	Dicot	No

	(Spiraea virginiana)	Terrestrial

	Dace, Blackside	Threatened	Fish	No

	(Phoxinus cumberlandensis)	Freshwater

	Darter, Bluemask (=jewel)	Endangered	Fish	No

	(Etheostoma /)	Freshwater

	Darter, Relict	Endangered	Fish	No

	(Etheostoma chienense)	Freshwater

	Shiner, Palezone	Endangered	Fish	No

	(Notropis albizonatus)	Freshwater

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Bat, Virginia Big-eared	Endangered	Mammal	Yes

	(Corynorhinus (=Plecotus) townsendii virginianus)	Terrestrial,
Subterraneous

	Louisiana	( 21) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, California Least	Endangered	Bird	No

	(Sterna antillarum browni)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 55 of 92

	Louisiana	( 21) species:	Taxa	Critical Habitat

	Mussel, Heelsplitter Inflated	Threatened	Bivalve	No

	(Potamilus inflatus)	Freshwater

	Pearlshell, Louisiana	Threatened	Bivalve	No

	(Margaritifera hembeli)	Freshwater

	Chaffseed, American	Endangered	Dicot	No

	(Schwalbea americana)	Terrestrial

	Fruit, Earth (=geocarpon)	Threatened	Dicot	No

	(Geocarpon minimum)	Terrestrial

	Quillwort, Louisiana	Endangered	Ferns	No

	(Isoetes louisianensis)	Freshwater, Terrestrial

	Sturgeon, Gulf	Threatened	Fish	Yes

	(Acipenser oxyrinchus desotoi)	Saltwater, Freshwater

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Bear, Louisiana Black	Threatened	Mammal	No

	(Ursus americanus luteolus)	Terrestrial

	Manatee, West Indian	Endangered	Marine mml	Yes

	(Trichechus manatus)	Saltwater

	Sea turtle, green	Endangered	Reptile	No

	(Chelonia mydas)	Saltwater

	Sea turtle, hawksbill	Endangered	Reptile	Yes

	(Eretmochelys imbricata)	Saltwater

	Sea turtle, Kemp's ridley	Endangered	Reptile	No

	(Lepidochelys kempii)	Saltwater

	Sea turtle, leatherback	Endangered	Reptile	Yes

	(Dermochelys coriacea)	Saltwater

	Sea turtle, loggerhead	Threatened	Reptile	No

	(Caretta caretta)	Saltwater

	Tortoise, Gopher	Threatened	Reptile	No

	(Gopherus polyphemus)	Terrestrial

	Turtle, Ringed Sawback	Threatened	Reptile	No

	(Graptemys oculifera)	Freshwater, Terrestrial

	Maine	( 8) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Roseate	Endangered	Bird	No

	(Sterna dougallii dougallii)	Terrestrial

	Lousewort, Furbish	Endangered	Dicot	No

	(Pedicularis furbishiae)	Terrestrial

	Salmon, Atlantic	Endangered	Fish	No

	(Salmo salar)	Brackish, Saltwater, Freshwater

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 56 of 92

	Maine	( 8) species:	Taxa	Critical Habitat

	Lynx, Canada	Threatened	Mammal	No

	(Lynx canadensis)	Terrestrial

	Orchid, Eastern Prairie Fringed	Threatened	Monocot	No

	(Platanthera leucophaea)	Terrestrial

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Maryland	( 14) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Mussel, Dwarf Wedge	Endangered	Bivalve	No

	(Alasmidonta heterodon)	Freshwater

	Dropwort, Canby's	Endangered	Dicot	No

	(Oxypolis canbyi)	Terrestrial, Freshwater

	Gerardia, Sandplain	Endangered	Dicot	No

	(Agalinis acuta)	Terrestrial

	Harperella	Endangered	Dicot	No

	(Ptilimnium nodosum)	Freshwater

	Darter, Maryland	Endangered	Fish	Yes

	(Etheostoma sellare)	Freshwater

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

	Beetle, Northeastern Beach Tiger	Threatened	Insect	No

	(Cicindela dorsalis dorsalis)	Terrestrial

	Beetle, Puritan Tiger	Threatened	Insect	No

	(Cicindela puritana)	Terrestrial, Coastal (neritic)

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Squirrel, Delmarva Peninsula Fox	Endangered	Mammal	No

	(Sciurus niger cinereus)	Terrestrial

	Bulrush, Northeastern (=Barbed Bristle)	Endangered	Monocot	No

	(Scirpus ancistrochaetus)	Terrestrial, Freshwater

	Pink, Swamp	Threatened	Monocot	No

	(Helonias bullata)	Terrestrial, Freshwater

	Turtle, Bog (Northern population)	Threatened	Reptile	No

	(Clemmys muhlenbergii)	Terrestrial, Freshwater

	Massachusetts	( 12) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Roseate	Endangered	Bird	No

	(Sterna dougallii dougallii)	Terrestrial

	Gerardia, Sandplain	Endangered	Dicot	No

	(Agalinis acuta)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 57 of 92

	Massachusetts	( 12) species:	Taxa	Critical Habitat

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

	Beetle, Northeastern Beach Tiger	Threatened	Insect	No

	(Cicindela dorsalis dorsalis)	Terrestrial

	Beetle, Puritan Tiger	Threatened	Insect	No

	(Cicindela puritana)	Terrestrial, Coastal (neritic)

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Bulrush, Northeastern (=Barbed Bristle)	Endangered	Monocot	No

	(Scirpus ancistrochaetus)	Terrestrial, Freshwater

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Turtle, Bog (Northern population)	Threatened	Reptile	No

	(Clemmys muhlenbergii)	Terrestrial, Freshwater

	Turtle, Plymouth Red-bellied	Endangered	Reptile	Yes

	(Pseudemys rubriventris bangsi)	Terrestrial, Freshwater

	Michigan	( 17) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Warbler (=Wood), Kirtland's	Endangered	Bird	No

	(Dendroica kirtlandii)	Terrestrial

	Mussel, Clubshell	Endangered	Bivalve	No

	(Pleurobema clava)	Freshwater

	Riffleshell, Northern	Endangered	Bivalve	No

	(Epioblasma torulosa rangiana)	Freshwater

	Goldenrod, Houghton's	Threatened	Dicot	No

	(Solidago houghtonii)	Terrestrial

	Monkey-flower, Michigan	Endangered	Dicot	No

	(Mimulus glabratus var. michiganensis)	Terrestrial, Freshwater

	Thistle, Pitcher's	Threatened	Dicot	No

	(Cirsium pitcheri)	Terrestrial

	Beetle, Hungerford's Crawling Water	Endangered	Insect	No

	(Brychius hungerfordi)	Freshwater

	Butterfly, Karner Blue	Endangered	Insect	No

	(Lycaeides melissa samuelis)	Terrestrial

	Butterfly, Mitchell's Satyr	Endangered	Insect	No

	(Neonympha mitchellii mitchellii)	Terrestrial

	Dragonfly, Hine's Emerald	Endangered	Insect	Yes

	(Somatochlora hineana)	Freshwater, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 58 of 92

	Michigan	( 17) species:	Taxa	Critical Habitat

	Lynx, Canada	Threatened	Mammal	No

	(Lynx canadensis)	Terrestrial

	Iris, Dwarf Lake	Threatened	Monocot	No

	(Iris lacustris)	Terrestrial

	Orchid, Eastern Prairie Fringed	Threatened	Monocot	No

	(Platanthera leucophaea)	Terrestrial

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Snake, Northern Copperbelly Water	Threatened	Reptile	No

	(Nerodia erythrogaster neglecta)	Freshwater, Terrestrial

	Minnesota	( 10) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Mussel, Winged Mapleleaf	Endangered	Bivalve	No

	(Quadrula fragosa)	Freshwater

	Pearlymussel, Higgins' Eye	Endangered	Bivalve	No

	(Lampsilis higginsii)	Freshwater

	Clover, Prairie Bush	Threatened	Dicot	No

	(Lespedeza leptostachya)	Terrestrial

	Roseroot, Leedy's	Threatened	Dicot	No

	(Sedum integrifolium ssp. leedyi)	Terrestrial

	Shiner, Topeka	Endangered	Fish	Yes

	(Notropis topeka (=tristis))	Freshwater

	Butterfly, Karner Blue	Endangered	Insect	No

	(Lycaeides melissa samuelis)	Terrestrial

	Lynx, Canada	Threatened	Mammal	No

	(Lynx canadensis)	Terrestrial

	Lily, Minnesota Trout	Endangered	Monocot	No

	(Erythronium propullans)	Terrestrial

	Orchid, Western Prairie Fringed	Threatened	Monocot	No

	(Platanthera praeclara)	Terrestrial

	Mississippi	( 30) species:	Taxa	Critical Habitat

	Frog, Dusky Gopher (Mississippi DPS)	Endangered	Amphibian	No

	(Rana capito sevosa)	Terrestrial, Freshwater

	Crane, Mississippi Sandhill	Endangered	Bird	Yes

	(Grus canadensis pulla)	Terrestrial, Freshwater

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 59 of 92

	Mississippi	( 30) species:	Taxa	Critical Habitat

	Combshell, Southern (=Penitent mussel)	Endangered	Bivalve	No

	(Epioblasma penita)	Freshwater

	Mucket, Orangenacre	Threatened	Bivalve	Yes

	(Lampsilis perovalis)	Freshwater

	Mussel, Alabama Moccasinshell	Threatened	Bivalve	Yes

	(Medionidus acutissimus)	Freshwater

	Mussel, Black (=Curtus' Mussel) Clubshell	Endangered	Bivalve	No

	(Pleurobema curtum)	Freshwater

	Mussel, Heavy Pigtoe (=Judge Tait's Mussel)	Endangered	Bivalve	No

	(Pleurobema taitianum)	Freshwater

	Mussel, Heelsplitter Inflated	Threatened	Bivalve	No

	(Potamilus inflatus)	Freshwater

	Mussel, Ovate Clubshell	Endangered	Bivalve	Yes

	(Pleurobema perovatum)	Freshwater

	Mussel, Southern Clubshell	Endangered	Bivalve	Yes

	(Pleurobema decisum)	Freshwater

	Pearlymussel, Fat Pocketbook	Endangered	Bivalve	No

	(Potamilus capax)	Freshwater

	Pondberry	Endangered	Dicot	No

	(Lindera melissifolia)	Terrestrial

	Potato-bean, Price's	Threatened	Dicot	No

	(Apios priceana)	Terrestrial

	Quillwort, Louisiana	Endangered	Ferns	No

	(Isoetes louisianensis)	Freshwater, Terrestrial

	Darter, Bayou	Threatened	Fish	No

	(Etheostoma rubrum)	Freshwater

	Sturgeon, Gulf	Threatened	Fish	Yes

	(Acipenser oxyrinchus desotoi)	Saltwater, Freshwater

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Bear, Louisiana Black	Threatened	Mammal	No

	(Ursus americanus luteolus)	Terrestrial

	Sea turtle, green	Endangered	Reptile	No

	(Chelonia mydas)	Saltwater

	Sea turtle, Kemp's ridley	Endangered	Reptile	No

	(Lepidochelys kempii)	Saltwater

	Sea turtle, loggerhead	Threatened	Reptile	No

	(Caretta caretta)	Saltwater

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 60 of 92

	Mississippi	( 30) species:	Taxa	Critical Habitat

	Snake, Eastern Indigo	Threatened	Reptile	No

	(Drymarchon corais couperi)	Terrestrial

	Tortoise, Gopher	Threatened	Reptile	No

	(Gopherus polyphemus)	Terrestrial

	Turtle, Ringed Sawback	Threatened	Reptile	No

	(Graptemys oculifera)	Freshwater, Terrestrial

	Turtle, Yellow-blotched Map	Threatened	Reptile	No

	(Graptemys flavimaculata)	Freshwater, Terrestrial

	Missouri	( 29) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

	Mussel, Scaleshell	Endangered	Bivalve	No

	(Leptodea leptodon)	Freshwater

	Mussel, Winged Mapleleaf	Endangered	Bivalve	No

	(Quadrula fragosa)	Freshwater

	Pearlymussel, Curtis'	Endangered	Bivalve	No

	(Epioblasma florentina curtisii)	Freshwater

	Pearlymussel, Fat Pocketbook	Endangered	Bivalve	No

	(Potamilus capax)	Freshwater

	Pearlymussel, Higgins' Eye	Endangered	Bivalve	No

	(Lampsilis higginsii)	Freshwater

	Crayfish, Cave (Cambarus aculabrum)	Endangered	Crustacean	No

	(Cambarus aculabrum)	Freshwater

	Aster, Decurrent False	Threatened	Dicot	No

	(Boltonia decurrens)	Terrestrial, Freshwater

	Bladderpod, Missouri	Threatened	Dicot	No

	(Lesquerella filiformis)	Terrestrial

	Clover, Running Buffalo	Endangered	Dicot	No

	(Trifolium stoloniferum)	Terrestrial

	Fruit, Earth (=geocarpon)	Threatened	Dicot	No

	(Geocarpon minimum)	Terrestrial

	Milkweed, Mead's	Threatened	Dicot	No

	(Asclepias meadii)	Terrestrial

	Pondberry	Endangered	Dicot	No

	(Lindera melissifolia)	Terrestrial

	Sneezeweed, Virginia	Threatened	Dicot	No

	(Helenium virginicum)	Vernal pool

	Cavefish, Ozark	Threatened	Fish	No

	(Amblyopsis rosae)	Freshwater

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 61 of 92

	Missouri	( 29) species:	Taxa	Critical Habitat

	Chub, Humpback	Endangered	Fish	Yes

	(Gila cypha)	Freshwater

	Darter, Niangua	Threatened	Fish	Yes

	(Etheostoma nianguae)	Freshwater

	Madtom, Neosho	Threatened	Fish	No

	(Noturus placidus)	Freshwater

	Shiner, Topeka	Endangered	Fish	Yes

	(Notropis topeka (=tristis))	Freshwater

	Sturgeon, Gulf	Threatened	Fish	Yes

	(Acipenser oxyrinchus desotoi)	Saltwater, Freshwater

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Cavesnail, Tumbling Creek	Endangered	Gastropod	No

	(Antrobia culveri)	Subterraneous, Freshwater

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

	Dragonfly, Hine's Emerald	Endangered	Insect	Yes

	(Somatochlora hineana)	Freshwater, Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Orchid, Western Prairie Fringed	Threatened	Monocot	No

	(Platanthera praeclara)	Terrestrial

	Montana	( 8) species:	Taxa	Critical Habitat

	Catchfly, Spalding's	Threatened	Dicot	No

	(Silene spaldingii)	Terrestrial

	Howellia, Water	Threatened	Dicot	No

	(Howellia aquatilis)	Freshwater

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Trout, Bull	Threatened	Fish	No

	(Salvelinus confluentus)	Freshwater

	Trout, Bull (Columbia River population)	Threatened	Fish	Yes

	(Salvelinus confluentus)	Freshwater

	Trout, Bull (Klamath River population)	Threatened	Fish	Yes

	(Salvelinus confluentus)	Freshwater

	Bear, Grizzly	Threatened	Mammal	No

	(Ursus arctos horribilis)	Terrestrial

	Ferret, Black-footed	Endangered	Mammal	No

	(Mustela nigripes)	Terrestrial

	Nebraska	( 8) species:	Taxa	Critical Habitat

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 62 of 92

	Nebraska	( 8) species:	Taxa	Critical Habitat

	Crane, Whooping	Endangered	Bird	Yes

	(Grus americana)	Terrestrial, Freshwater

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Penstemon, Blowout	Endangered	Dicot	No

	(Penstemon haydenii)	Terrestrial

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Beetle, Salt Creek Tiger	Endangered	Insect	No

	(Cicindela nevadica lincolniana)	Terrestrial

	Ferret, Black-footed	Endangered	Mammal	No

	(Mustela nigripes)	Terrestrial

	Orchid, Western Prairie Fringed	Threatened	Monocot	No

	(Platanthera praeclara)	Terrestrial

	Nevada	( 29) species:	Taxa	Critical Habitat

	Flycatcher, Southwestern Willow	Endangered	Bird	Yes

	(Empidonax traillii extimus)	Terrestrial

	Rail, Yuma Clapper	Endangered	Bird	No

	(Rallus longirostris yumanensis)	Terrestrial

	Blazing Star, Ash Meadows	Threatened	Dicot	Yes

	(Mentzelia leucophylla)	Terrestrial

	Centaury, Spring-loving	Threatened	Dicot	Yes

	(Centaurium namophilum)	Terrestrial

	Gumplant, Ash Meadows	Threatened	Dicot	Yes

	(Grindelia fraxino-pratensis)	Terrestrial

	Ivesia, Ash Meadows	Threatened	Dicot	Yes

	(Ivesia kingii var. eremica)	Terrestrial

	Milk-vetch, Ash Meadows	Threatened	Dicot	Yes

	(Astragalus phoenix)	Terrestrial

	Niterwort, Amargosa	Endangered	Dicot	Yes

	(Nitrophila mohavensis)	Terrestrial

	Sunray, Ash Meadows	Threatened	Dicot	Yes

	(Enceliopsis nudicaulis var. corrugata)	Terrestrial

	Chub, Bonytail	Endangered	Fish	Yes

	(Gila elegans)	Freshwater

	Chub, Pahranagat Roundtail	Endangered	Fish	No

	(Gila robusta jordani)	Freshwater

	Chub, Virgin River	Endangered	Fish	Yes

	(Gila seminuda (=robusta))	Freshwater

	Dace, Ash Meadows Speckled	Endangered	Fish	Yes

	(Rhinichthys osculus nevadensis)	Freshwater

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 63 of 92

	Nevada	( 29) species:	Taxa	Critical Habitat

	Dace, Moapa	Endangered	Fish	No

	(Moapa coriacea)	Freshwater

	Poolfish, Pahrump (= Pahrump Killifish)	Endangered	Fish	No

	(Empetrichthys latos)	Freshwater

	Pupfish, Ash Meadows Amargosa	Endangered	Fish	Yes

	(Cyprinodon nevadensis mionectes)	Freshwater

	Pupfish, Devils Hole	Endangered	Fish	No

	(Cyprinodon diabolis)	Freshwater

	Pupfish, Warm Springs	Endangered	Fish	No

	(Cyprinodon nevadensis pectoralis)	Freshwater

	Spinedace, Big Spring	Threatened	Fish	Yes

	(Lepidomeda mollispinis pratensis)	Freshwater

	Spinedace, White River	Endangered	Fish	Yes

	(Lepidomeda albivallis)	Freshwater

	Springfish, Hiko White River	Endangered	Fish	Yes

	(Crenichthys baileyi grandis)	Freshwater

	Springfish, Railroad Valley	Threatened	Fish	Yes

	(Crenichthys nevadae)	Freshwater

	Springfish, White River	Endangered	Fish	Yes

	(Crenichthys baileyi baileyi)	Freshwater

	Sucker, Razorback	Endangered	Fish	Yes

	(Xyrauchen texanus)	Freshwater

	Trout, Lahontan Cutthroat	Threatened	Fish	No

	(Oncorhynchus clarki henshawi)	Freshwater

	Woundfin	Endangered	Fish	Yes

	(Plagopterus argentissimus)	Freshwater

	Naucorid, Ash Meadows	Threatened	Insect	Yes

	(Ambrysus amargosus)	Terrestrial

	Ladies'-tresses, Ute	Threatened	Monocot	No

	(Spiranthes diluvialis)	Terrestrial

	Tortoise, Desert	Threatened	Reptile	Yes

	(Gopherus agassizii)	Terrestrial

	New Hampshire	( 4) species:	Taxa	Critical Habitat

	Mussel, Dwarf Wedge	Endangered	Bivalve	No

	(Alasmidonta heterodon)	Freshwater

	Butterfly, Karner Blue	Endangered	Insect	No

	(Lycaeides melissa samuelis)	Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	New Jersey	( 10) species:	Taxa	Critical Habitat

6/5/2010 11:51:20 AM   Ver. 2.10.4	Page 64 of 92

	New Jersey	( 10) species:	Taxa	Critical Habitat

	Curlew, Eskimo	Endangered	Bird	No

	(Numenius borealis)	Terrestrial

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Chaffseed, American	Endangered	Dicot	No

	(Schwalbea americana)	Terrestrial

	Joint-vetch, Sensitive	Threatened	Dicot	No

	(Aeschynomene virginica)	Terrestrial, Brackish

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Beaked-rush, Knieskern's	Threatened	Monocot	No

	(Rhynchospora knieskernii)	Terrestrial

	Pink, Swamp	Threatened	Monocot	No

	(Helonias bullata)	Terrestrial, Freshwater

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Turtle, Bog (Northern population)	Threatened	Reptile	No

	(Clemmys muhlenbergii)	Terrestrial, Freshwater

	New Mexico	( 45) species:	Taxa	Critical Habitat

	Frog, Chiricahua Leopard	Threatened	Amphibian	No

	(Rana chiricahuensis)	Freshwater, Terrestrial

	Crane, Whooping	Endangered	Bird	Yes

	(Grus americana)	Terrestrial, Freshwater

	Falcon, Northern Aplomado	Endangered	Bird	No

	(Falco femoralis septentrionalis)	Terrestrial

	Flycatcher, Southwestern Willow	Endangered	Bird	Yes

	(Empidonax traillii extimus)	Terrestrial

	Owl, Mexican Spotted	Threatened	Bird	Yes

	(Strix occidentalis lucida)	Terrestrial

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Amphipod, Noel's	Endangered	Crustacean	No

	(Gammarus desperatus)	Freshwater

	Isopod, Socorro	Endangered	Crustacean	No

	(Thermosphaeroma thermophilus)	Freshwater

	Cactus, Knowlton	Endangered	Dicot	No

	(Pediocactus knowltonii)	Terrestrial

	Cactus, Kuenzler Hedgehog	Endangered	Dicot	No

	(Echinocereus fendleri var. kuenzleri)	Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 65 of 92

	New Mexico	( 45) species:	Taxa	Critical Habitat

	Cactus, Lee Pincushion	Threatened	Dicot	No

	(Coryphantha sneedii var. leei)	Terrestrial

	Cactus, Mesa Verde	Threatened	Dicot	No

	(Sclerocactus mesae-verdae)	Terrestrial

	Cactus, Sneed Pincushion	Endangered	Dicot	No

	(Coryphantha sneedii var. sneedii)	Terrestrial

	Fleabane, Zuni	Threatened	Dicot	No

	(Erigeron rhizomatus)	Terrestrial

	Ipomopsis, Holy Ghost	Endangered	Dicot	No

	(Ipomopsis sancti-spiritus)	Terrestrial

	Milk-vetch, Mancos	Endangered	Dicot	No

	(Astragalus humillimus)	Terrestrial

	Pennyroyal, Todsen's	Endangered	Dicot	Yes

	(Hedeoma todsenii)	Terrestrial

	Poppy, Sacramento Prickly	Endangered	Dicot	No

	(Argemone pleiacantha ssp. pinnatisecta)	Terrestrial

	Sunflower, Pecos	Threatened	Dicot	No

	(Helianthus paradoxus)	Terrestrial, Freshwater

	Thistle, Sacramento Mountains	Threatened	Dicot	No

	(Cirsium vinaceum)	Terrestrial

	Wild-buckwheat, Gypsum	Threatened	Dicot	Yes

	(Eriogonum gypsophilum)	Terrestrial

	Chub, Chihuahua	Threatened	Fish	No

	(Gila nigrescens)	Freshwater

	Chub, Gila	Endangered	Fish	Yes

	(Gila intermedia)	Freshwater

	Gambusia, Pecos	Endangered	Fish	No

	(Gambusia nobilis)	Freshwater

	Minnow, Loach	Threatened	Fish	Yes

	(Tiaroga cobitis)	Freshwater

	Minnow, Rio Grande Silvery	Endangered	Fish	Yes

	(Hybognathus amarus)	Freshwater

	Shiner, Arkansas River	Threatened	Fish	Yes

	(Notropis girardi)	Freshwater

	Shiner, Beautiful	Threatened	Fish	Yes

	(Cyprinella formosa)	Freshwater

	Shiner, Pecos Bluntnose	Threatened	Fish	Yes

	(Notropis simus pecosensis)	Freshwater

	Spikedace	Threatened	Fish	Yes

	(Meda fulgida)	Freshwater

	Squawfish, Colorado	Endangered	Fish	Yes

	(Ptychocheilus lucius)	Freshwater

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 66 of 92

	New Mexico	( 45) species:	Taxa	Critical Habitat

	Sucker, Razorback	Endangered	Fish	Yes

	(Xyrauchen texanus)	Freshwater

	Topminnow, Gila (Yaqui)	Endangered	Fish	No

	(Poeciliopsis occidentalis)	Freshwater

	Trout, Gila	Endangered	Fish	No

	(Oncorhynchus gilae)	Freshwater

	Snail, Pecos Assiminea	Endangered	Gastropod	Yes

	(Assiminea pecos)	Freshwater

	Springsnail, Alamosa	Endangered	Gastropod	No

	(Tryonia alamosae)	Freshwater

	Springsnail, Koster's	Endangered	Gastropod	No

	(Juturnia kosteri)	Terrestrial

	Springsnail, Roswell	Endangered	Gastropod	No

	(Pyrgulopsis roswellensis)	Freshwater

	Springsnail, Socorro	Endangered	Gastropod	No

	(Pyrgulopsis neomexicana)	Freshwater

	Bat, Lesser (=Sanborn's) Long-nosed	Endangered	Mammal	No

	(Leptonycteris curasoae yerbabuenae)	Subterraneous, Terrestrial

	Bat, Mexican Long-nosed	Endangered	Mammal	No

	(Leptonycteris nivalis)	Subterraneous, Terrestrial

	Ferret, Black-footed	Endangered	Mammal	No

	(Mustela nigripes)	Terrestrial

	Jaguar	Endangered	Mammal	No

	(Panthera onca)	Terrestrial

	Rattlesnake, New Mexican Ridge-nosed	Threatened	Reptile	Yes

	(Crotalus willardi obscurus)	Terrestrial

	North Carolina	( 55) species:	Taxa	Critical Habitat

	Spider, Spruce-fir Moss	Endangered	Arachnid	Yes

	(Microhexura montivaga)	Terrestrial

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Stork, Wood	Endangered	Bird	No

	(Mycteria americana)	Terrestrial

	Tern, Roseate	Endangered	Bird	No

	(Sterna dougallii dougallii)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Elktoe, Appalachian	Endangered	Bivalve	Yes

	(Alasmidonta raveneliana)	Freshwater

	Mussel, Dwarf Wedge	Endangered	Bivalve	No

	(Alasmidonta heterodon)	Freshwater

	Mussel, Heelsplitter Carolina	Endangered	Bivalve	Yes

	(Lasmigona decorata)	Freshwater

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 67 of 92

	North Carolina	( 55) species:	Taxa	Critical Habitat

	Mussel, Oyster	Endangered	Bivalve	Yes

	(Epioblasma capsaeformis)	Freshwater

	Pearlymussel, Little-wing	Endangered	Bivalve	No

	(Pegias fabula)	Freshwater

	Purple Bean	Endangered	Bivalve	Yes

	(Villosa perpurpurea)	Freshwater

	Spinymussel, James River	Endangered	Bivalve	No

	(Pleurobema collina)	Freshwater

	Spinymussel, Tar River	Endangered	Bivalve	No

	(Elliptio steinstansana)	Freshwater

	Amaranth, Seabeach	Threatened	Dicot	No

	(Amaranthus pumilus)	Coastal (neritic)

	Avens, Spreading	Endangered	Dicot	No

	(Geum radiatum)	Terrestrial

	Bittercress, Small-anthered	Endangered	Dicot	No

	(Cardamine micranthera)	Terrestrial

	Blazing Star, Heller's	Threatened	Dicot	No

	(Liatris helleri)	Terrestrial

	Bluet, Roan Mountain	Endangered	Dicot	No

	(Hedyotis purpurea var. montana)	Terrestrial

	Chaffseed, American	Endangered	Dicot	No

	(Schwalbea americana)	Terrestrial

	Coneflower, Smooth	Endangered	Dicot	No

	(Echinacea laevigata)	Terrestrial

	Dropwort, Canby's	Endangered	Dicot	No

	(Oxypolis canbyi)	Terrestrial, Freshwater

	Goldenrod, Blue Ridge	Threatened	Dicot	No

	(Solidago spithamaea)	Terrestrial

	Harperella	Endangered	Dicot	No

	(Ptilimnium nodosum)	Freshwater

	Heartleaf, Dwarf-flowered	Threatened	Dicot	No

	(Hexastylis naniflora)	Terrestrial

	Heather, Mountain Golden	Threatened	Dicot	Yes

	(Hudsonia montana)	Terrestrial

	Joint-vetch, Sensitive	Threatened	Dicot	No

	(Aeschynomene virginica)	Terrestrial, Brackish

	Loosestrife, Rough-leaved	Endangered	Dicot	No

	(Lysimachia asperulaefolia)	Terrestrial

	Meadowrue, Cooley's	Endangered	Dicot	No

	(Thalictrum cooleyi)	Terrestrial

	Pitcher-plant, Mountain Sweet	Endangered	Dicot	No

	(Sarracenia rubra ssp. jonesii)	Freshwater, Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 68 of 92

	North Carolina	( 55) species:	Taxa	Critical Habitat

	Pondberry	Endangered	Dicot	No

	(Lindera melissifolia)	Terrestrial

	Spiraea, Virginia	Threatened	Dicot	No

	(Spiraea virginiana)	Terrestrial

	Sumac, Michaux's	Endangered	Dicot	No

	(Rhus michauxii)	Terrestrial

	Sunflower, Schweinitz's	Endangered	Dicot	No

	(Helianthus schweinitzii)	Terrestrial

	Chub, Spotfin	Threatened	Fish	Yes

	(Erimonax monachus)	Freshwater

	Shiner, Cape Fear	Endangered	Fish	Yes

	(Notropis mekistocholas)	Freshwater

	Silverside, Waccamaw	Threatened	Fish	Yes

	(Menidia extensa)	Freshwater

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

	Snail, Noonday	Threatened	Gastropod	No

	(Mesodon clarki nantahala)	Terrestrial

	Butterfly, Saint Francis' Satyr	Endangered	Insect	No

	(Neonympha mitchellii francisci)	Terrestrial

	Lichen, Rock Gnome	Endangered	Lichen	No

	(Gymnoderma lineare)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Bat, Virginia Big-eared	Endangered	Mammal	Yes

	(Corynorhinus (=Plecotus) townsendii virginianus)	Terrestrial,
Subterraneous

	Squirrel, Carolina Northern Flying	Endangered	Mammal	No

	(Glaucomys sabrinus coloratus)	Terrestrial

	Manatee, West Indian	Endangered	Marine mml	Yes

	(Trichechus manatus)	Saltwater

	Arrowhead, Bunched	Endangered	Monocot	No

	(Sagittaria fasciculata)	Freshwater

	Irisette, White	Endangered	Monocot	No

	(Sisyrinchium dichotomum)	Terrestrial

	Pink, Swamp	Threatened	Monocot	No

	(Helonias bullata)	Terrestrial, Freshwater

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Sedge, Golden	Endangered	Monocot	No

	(Carex lutea)	Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 69 of 92

	North Carolina	( 55) species:	Taxa	Critical Habitat

	Sea turtle, green	Endangered	Reptile	No

	(Chelonia mydas)	Saltwater

	Sea turtle, hawksbill	Endangered	Reptile	Yes

	(Eretmochelys imbricata)	Saltwater

	Sea turtle, Kemp's ridley	Endangered	Reptile	No

	(Lepidochelys kempii)	Saltwater

	Sea turtle, leatherback	Endangered	Reptile	Yes

	(Dermochelys coriacea)	Saltwater

	Sea turtle, loggerhead	Threatened	Reptile	No

	(Caretta caretta)	Saltwater

	North Dakota	( 1) species:	Taxa	Critical Habitat

	Orchid, Western Prairie Fringed	Threatened	Monocot	No

	(Platanthera praeclara)	Terrestrial

	Ohio	( 22) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Fanshell	Endangered	Bivalve	No

	(Cyprogenia stegaria)	Freshwater

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

	Mussel, Clubshell	Endangered	Bivalve	No

	(Pleurobema clava)	Freshwater

	Pearlymussel, Purple Cat's Paw	Endangered	Bivalve	No

	(Epioblasma obliquata obliquata)	Freshwater

	Pearlymussel, White Cat's Paw	Endangered	Bivalve	No

	(Epioblasma obliquata perobliqua)	Freshwater

	Riffleshell, Northern	Endangered	Bivalve	No

	(Epioblasma torulosa rangiana)	Freshwater

	Clover, Running Buffalo	Endangered	Dicot	No

	(Trifolium stoloniferum)	Terrestrial

	Daisy, Lakeside	Threatened	Dicot	No

	(Hymenoxys herbacea)	Freshwater

	Monkshood, Northern Wild	Threatened	Dicot	No

	(Aconitum noveboracense)	Terrestrial

	Spiraea, Virginia	Threatened	Dicot	No

	(Spiraea virginiana)	Terrestrial

	Madtom, Scioto	Endangered	Fish	No

	(Noturus trautmani)	Freshwater

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

	Butterfly, Karner Blue	Endangered	Insect	No

	(Lycaeides melissa samuelis)	Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 70 of 92

	Ohio	( 22) species:	Taxa	Critical Habitat

	Butterfly, Mitchell's Satyr	Endangered	Insect	No

	(Neonympha mitchellii mitchellii)	Terrestrial

	Dragonfly, Hine's Emerald	Endangered	Insect	Yes

	(Somatochlora hineana)	Freshwater, Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Orchid, Eastern Prairie Fringed	Threatened	Monocot	No

	(Platanthera leucophaea)	Terrestrial

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Snake, Lake Erie Water	Threatened	Reptile	No

	(Nerodia sipedon insularum)	Terrestrial, Freshwater

	Snake, Northern Copperbelly Water	Threatened	Reptile	No

	(Nerodia erythrogaster neglecta)	Freshwater, Terrestrial

	Oklahoma	( 18) species:	Taxa	Critical Habitat

	Crane, Whooping	Endangered	Bird	Yes

	(Grus americana)	Terrestrial, Freshwater

	Curlew, Eskimo	Endangered	Bird	No

	(Numenius borealis)	Terrestrial

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Vireo, Black-capped	Endangered	Bird	No

	(Vireo atricapilla)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Mussel, Scaleshell	Endangered	Bivalve	No

	(Leptodea leptodon)	Freshwater

	Rock-pocketbook, Ouachita (=Wheeler's pm)	Endangered	Bivalve	No

	(Arkansia wheeleri)	Freshwater

	Cavefish, Ozark	Threatened	Fish	No

	(Amblyopsis rosae)	Freshwater

	Darter, Leopard	Threatened	Fish	Yes

	(Percina pantherina)	Freshwater

	Madtom, Neosho	Threatened	Fish	No

	(Noturus placidus)	Freshwater

	Shiner, Arkansas River	Threatened	Fish	Yes

	(Notropis girardi)	Freshwater

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 71 of 92

	Oklahoma	( 18) species:	Taxa	Critical Habitat

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Bat, Ozark Big-eared	Endangered	Mammal	No

	(Corynorhinus (=Plecotus) townsendii ingens)	Terrestrial, Subterraneous

	Orchid, Eastern Prairie Fringed	Threatened	Monocot	No

	(Platanthera leucophaea)	Terrestrial

	Orchid, Western Prairie Fringed	Threatened	Monocot	No

	(Platanthera praeclara)	Terrestrial

	Oregon	( 36) species:	Taxa	Critical Habitat

	Murrelet, Marbled	Threatened	Bird	Yes

	(Brachyramphus marmoratus marmoratus)	Freshwater, Terrestrial,
Saltwater

	Owl, Northern Spotted	Threatened	Bird	Yes

	(Strix occidentalis caurina)	Terrestrial

	Plover, Western Snowy	Threatened	Bird	Yes

	(Charadrius alexandrinus nivosus)	Terrestrial

	Fairy Shrimp, Vernal Pool	Threatened	Crustacean	Yes

	(Branchinecta lynchi)	Vernal pool

	Catchfly, Spalding's	Threatened	Dicot	No

	(Silene spaldingii)	Terrestrial

	Checker-mallow, Nelson's	Threatened	Dicot	No

	(Sidalcea nelsoniana)	Terrestrial

	Daisy, Willamette	Endangered	Dicot	No

	(Erigeron decumbens var. decumbens)	Terrestrial

	Four-o'clock, Macfarlane's	Threatened	Dicot	No

	(Mirabilis macfarlanei)	Terrestrial

	Lomatium, Bradshaw's	Endangered	Dicot	No

	(Lomatium bradshawii)	Terrestrial, Freshwater

	Lomatium, Cook's	Endangered	Dicot	No

	(Lomatium cookii)	Vernal pool

	Lupine, Kincaid's	Threatened	Dicot	No

	(Lupinus sulphureus (=oreganus) ssp. kincaidii (=var. kincaidii))
Terrestrial

	Meadowfoam, Large-flowered Woolly	Endangered	Dicot	No

	(Limnanthes floccosa ssp. Grandiflora)	Vernal pool

	Popcornflower, Rough	Endangered	Dicot	No

	(Plagiobothrys hirtus)	Vernal pool

	Thelypody, Howell's Spectacular	Threatened	Dicot	No

	(Thelypodium howellii spectabilis)	Terrestrial

	Chub, Oregon	Endangered	Fish	No

	(Oregonichthys crameri)	Freshwater

	Salmon, Chinook (Lower Columbia River)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Freshwater, Brackish, Saltwater

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 72 of 92

	Oregon	( 36) species:	Taxa	Critical Habitat

	Salmon, Chinook (Snake River Fall Run)	Threatened	Fish	No

	(Oncorhynchus (=Salmo) tshawytscha)	Freshwater, Saltwater, Brackish

	Salmon, Chinook (Snake River spring/summer)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Brackish, Saltwater, Freshwater

	Salmon, Chinook (Upper Columbia River Spring)	Endangered	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Freshwater, Saltwater, Brackish

	Salmon, Chinook (Upper Willamette River)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Saltwater, Brackish, Freshwater

	Salmon, Chum (Columbia River population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) keta)	Brackish, Freshwater, Saltwater

	Salmon, Coho (Southern OR/Northern CA Coast)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) kisutch)	Freshwater, Brackish, Saltwater

	Salmon, Sockeye (Snake River population)	Endangered	Fish	No

	(Oncorhynchus (=Salmo) nerka)	Brackish, Saltwater, Freshwater

	Steelhead, (Lower Columbia River population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Brackish, Freshwater, Saltwater

	Steelhead, (Middle Columbia River population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Freshwater, Saltwater, Brackish

	Steelhead, (Snake River Basin population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Freshwater, Brackish, Saltwater

	Steelhead, (Upper Columbia River population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Brackish, Saltwater, Freshwater

	Steelhead, (Upper Willamette River population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Brackish, Saltwater, Freshwater

	Trout, Bull	Threatened	Fish	No

	(Salvelinus confluentus)	Freshwater

	Trout, Bull (Columbia River population)	Threatened	Fish	Yes

	(Salvelinus confluentus)	Freshwater

	Trout, Bull (Klamath River population)	Threatened	Fish	Yes

	(Salvelinus confluentus)	Freshwater

	Butterfly, Fender's Blue	Endangered	Insect	No

	(Icaricia icarioides fenderi)	Terrestrial

	Butterfly, Oregon Silverspot	Threatened	Insect	Yes

	(Speyeria zerene hippolyta)	Terrestrial

	Deer, Columbian White-tailed	Endangered	Mammal	No

	(Odocoileus virginianus leucurus)	Terrestrial

	Fritillary, Gentner's	Endangered	Monocot	No

	(Fritillaria gentneri)	Terrestrial

	Lily, Western	Endangered	Monocot	No

	(Lilium occidentale)	Terrestrial

	Pennsylvania	( 8) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 73 of 92

	Pennsylvania	( 8) species:	Taxa	Critical Habitat

	Mussel, Clubshell	Endangered	Bivalve	No

	(Pleurobema clava)	Freshwater

	Riffleshell, Northern	Endangered	Bivalve	No

	(Epioblasma torulosa rangiana)	Freshwater

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Squirrel, Delmarva Peninsula Fox	Endangered	Mammal	No

	(Sciurus niger cinereus)	Terrestrial

	Bulrush, Northeastern (=Barbed Bristle)	Endangered	Monocot	No

	(Scirpus ancistrochaetus)	Terrestrial, Freshwater

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Turtle, Bog (Northern population)	Threatened	Reptile	No

	(Clemmys muhlenbergii)	Terrestrial, Freshwater

	Rhode Island	( 6) species:	Taxa	Critical Habitat

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Gerardia, Sandplain	Endangered	Dicot	No

	(Agalinis acuta)	Terrestrial

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	South Carolina	( 36) species:	Taxa	Critical Habitat

	Salamander, Flatwoods	Threatened	Amphibian	No

	(Ambystoma cingulatum)	Freshwater, Vernal pool, Terrestrial

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Stork, Wood	Endangered	Bird	No

	(Mycteria americana)	Terrestrial

	Warbler, Bachman's	Endangered	Bird	No

	(Vermivora bachmanii)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Mussel, Heelsplitter Carolina	Endangered	Bivalve	Yes

	(Lasmigona decorata)	Freshwater

	Amaranth, Seabeach	Threatened	Dicot	No

	(Amaranthus pumilus)	Coastal (neritic)

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 74 of 92

	South Carolina	( 36) species:	Taxa	Critical Habitat

	Amphianthus, Little	Threatened	Dicot	No

	(Amphianthus pusillus)	Freshwater

	Chaffseed, American	Endangered	Dicot	No

	(Schwalbea americana)	Terrestrial

	Coneflower, Smooth	Endangered	Dicot	No

	(Echinacea laevigata)	Terrestrial

	Dropwort, Canby's	Endangered	Dicot	No

	(Oxypolis canbyi)	Terrestrial, Freshwater

	Gooseberry, Miccosukee	Threatened	Dicot	No

	(Ribes echinellum)	Terrestrial

	Harperella	Endangered	Dicot	No

	(Ptilimnium nodosum)	Freshwater

	Heartleaf, Dwarf-flowered	Threatened	Dicot	No

	(Hexastylis naniflora)	Terrestrial

	Loosestrife, Rough-leaved	Endangered	Dicot	No

	(Lysimachia asperulaefolia)	Terrestrial

	Pitcher-plant, Mountain Sweet	Endangered	Dicot	No

	(Sarracenia rubra ssp. jonesii)	Freshwater, Terrestrial

	Pondberry	Endangered	Dicot	No

	(Lindera melissifolia)	Terrestrial

	Sunflower, Schweinitz's	Endangered	Dicot	No

	(Helianthus schweinitzii)	Terrestrial

	Quillwort, Black-spored	Endangered	Ferns	No

	(Isoetes melanospora)	Vernal pool

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

	Lichen, Rock Gnome	Endangered	Lichen	No

	(Gymnoderma lineare)	Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Manatee, West Indian	Endangered	Marine mml	Yes

	(Trichechus manatus)	Saltwater

	Whale, Finback	Endangered	Marine mml	No

	(Balaenoptera physalus)	Saltwater

	Whale, Humpback	Endangered	Marine mml	No

	(Megaptera novaeangliae)	Saltwater

	Arrowhead, Bunched	Endangered	Monocot	No

	(Sagittaria fasciculata)	Freshwater

	Irisette, White	Endangered	Monocot	No

	(Sisyrinchium dichotomum)	Terrestrial

	Pink, Swamp	Threatened	Monocot	No

	(Helonias bullata)	Terrestrial, Freshwater

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 75 of 92

	South Carolina	( 36) species:	Taxa	Critical Habitat

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Trillium, Persistent	Endangered	Monocot	No

	(Trillium persistens)	Terrestrial

	Trillium, Relict	Endangered	Monocot	No

	(Trillium reliquum)	Terrestrial

	Sea turtle, green	Endangered	Reptile	No

	(Chelonia mydas)	Saltwater

	Sea turtle, Kemp's ridley	Endangered	Reptile	No

	(Lepidochelys kempii)	Saltwater

	Sea turtle, leatherback	Endangered	Reptile	Yes

	(Dermochelys coriacea)	Saltwater

	Sea turtle, loggerhead	Threatened	Reptile	No

	(Caretta caretta)	Saltwater

	Snake, Eastern Indigo	Threatened	Reptile	No

	(Drymarchon corais couperi)	Terrestrial

	South Dakota	( 8) species:	Taxa	Critical Habitat

	Crane, Whooping	Endangered	Bird	Yes

	(Grus americana)	Terrestrial, Freshwater

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Shiner, Topeka	Endangered	Fish	Yes

	(Notropis topeka (=tristis))	Freshwater

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

	Ferret, Black-footed	Endangered	Mammal	No

	(Mustela nigripes)	Terrestrial

	Orchid, Western Prairie Fringed	Threatened	Monocot	No

	(Platanthera praeclara)	Terrestrial

	Tennessee	( 80) species:	Taxa	Critical Habitat

	Spider, Spruce-fir Moss	Endangered	Arachnid	Yes

	(Microhexura montivaga)	Terrestrial

	Stork, Wood	Endangered	Bird	No

	(Mycteria americana)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 76 of 92

	Tennessee	( 80) species:	Taxa	Critical Habitat

	Combshell, Upland	Endangered	Bivalve	Yes

	(Epioblasma metastriata)	Freshwater

	Elktoe, Appalachian	Endangered	Bivalve	Yes

	(Alasmidonta raveneliana)	Freshwater

	Fanshell	Endangered	Bivalve	No

	(Cyprogenia stegaria)	Freshwater

	Kidneyshell, Triangular	Endangered	Bivalve	Yes

	(Ptychobranchus greenii)	Freshwater

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

	Mussel, Alabama Moccasinshell	Threatened	Bivalve	Yes

	(Medionidus acutissimus)	Freshwater

	Mussel, Coosa Moccasinshell	Endangered	Bivalve	Yes

	(Medionidus parvulus)	Freshwater

	Mussel, Cumberland Combshell	Endangered	Bivalve	Yes

	(Epioblasma brevidens)	Freshwater

	Mussel, Cumberland Elktoe	Endangered	Bivalve	Yes

	(Alasmidonta atropurpurea)	Freshwater

	Mussel, Cumberland Pigtoe	Endangered	Bivalve	No

	(Pleurobema gibberum)	Freshwater

	Mussel, Fine-lined Pocketbook	Threatened	Bivalve	Yes

	(Lampsilis altilis)	Freshwater

	Mussel, Fine-rayed Pigtoe	Endangered	Bivalve	No

	(Fusconaia cuneolus)	Freshwater

	Mussel, Ovate Clubshell	Endangered	Bivalve	Yes

	(Pleurobema perovatum)	Freshwater

	Mussel, Oyster	Endangered	Bivalve	Yes

	(Epioblasma capsaeformis)	Freshwater

	Mussel, Ring Pink (=Golf Stick Pearly)	Endangered	Bivalve	No

	(Obovaria retusa)	Freshwater

	Mussel, Rough Pigtoe	Endangered	Bivalve	No

	(Pleurobema plenum)	Freshwater

	Mussel, Shiny Pigtoe	Endangered	Bivalve	No

	(Fusconaia cor)	Freshwater

	Mussel, Southern Pigtoe	Endangered	Bivalve	Yes

	(Pleurobema georgianum)	Freshwater

	Pearlymussel, Alabama Lamp	Endangered	Bivalve	No

	(Lampsilis virescens)	Freshwater

	Pearlymussel, Appalachian Monkeyface	Endangered	Bivalve	No

	(Quadrula sparsa)	Freshwater

	Pearlymussel, Birdwing	Endangered	Bivalve	No

	(Conradilla caelata)	Freshwater

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 77 of 92

	Tennessee	( 80) species:	Taxa	Critical Habitat

	Pearlymussel, Cracking	Endangered	Bivalve	No

	(Hemistena lata)	Freshwater

	Pearlymussel, Cumberland Bean	Endangered	Bivalve	No

	(Villosa trabalis)	Freshwater

	Pearlymussel, Cumberland Monkeyface	Endangered	Bivalve	No

	(Quadrula intermedia)	Freshwater

	Pearlymussel, Dromedary	Endangered	Bivalve	No

	(Dromus dromas)	Freshwater

	Pearlymussel, Green-blossom	Endangered	Bivalve	No

	(Epioblasma torulosa gubernaculum)	Freshwater

	Pearlymussel, Little-wing	Endangered	Bivalve	No

	(Pegias fabula)	Freshwater

	Pearlymussel, Orange-footed	Endangered	Bivalve	No

	(Plethobasus cooperianus)	Freshwater

	Pearlymussel, Pale Lilliput	Endangered	Bivalve	No

	(Toxolasma cylindrellus)	Freshwater

	Pearlymussel, Purple Cat's Paw	Endangered	Bivalve	No

	(Epioblasma obliquata obliquata)	Freshwater

	Pearlymussel, Tubercled-blossom	Endangered	Bivalve	No

	(Epioblasma torulosa torulosa)	Freshwater

	Pearlymussel, Turgid-blossom	Endangered	Bivalve	No

	(Epioblasma turgidula)	Freshwater

	Pearlymussel, White Wartyback	Endangered	Bivalve	No

	(Plethobasus cicatricosus)	Freshwater

	Pearlymussel, Yellow-blossom	Endangered	Bivalve	No

	(Epioblasma florentina florentina)	Freshwater

	Purple Bean	Endangered	Bivalve	Yes

	(Villosa perpurpurea)	Freshwater

	Rabbitsfoot, Rough	Endangered	Bivalve	Yes

	(Quadrula cylindrica strigillata)	Freshwater

	Riffleshell, Tan	Endangered	Bivalve	No

	(Epioblasma florentina walkeri (=E. walkeri))	Freshwater

	Crayfish, Nashville	Endangered	Crustacean	No

	(Orconectes shoupi)	Freshwater

	Aster, Ruth's Golden	Endangered	Dicot	No

	(Pityopsis ruthii)	Terrestrial

	Avens, Spreading	Endangered	Dicot	No

	(Geum radiatum)	Terrestrial

	Bladderpod, Spring Creek	Endangered	Dicot	No

	(Lesquerella perforata)	Floodplain

	Clover, Leafy Prairie	Endangered	Dicot	No

	(Dalea foliosa)	Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 78 of 92

	Tennessee	( 80) species:	Taxa	Critical Habitat

	Coneflower, Tennessee Purple	Endangered	Dicot	No

	(Echinacea tennesseensis)	Terrestrial

	Ground-plum, Guthrie's	Endangered	Dicot	No

	(Astragalus bibullatus)	Terrestrial

	Pitcher-plant, Green	Endangered	Dicot	No

	(Sarracenia oreophila)	Terrestrial, Freshwater

	Potato-bean, Price's	Threatened	Dicot	No

	(Apios priceana)	Terrestrial

	Rock-cress, Large (=Braun's)	Endangered	Dicot	Yes

	(Arabis perstellata E. L. Braun var. ampla Rollins)	Terrestrial

	Rock-cress, Small	Endangered	Dicot	Yes

	(Arabis perstellata E. L. Braun var. perstellata Fernald)	Terrestrial

	Rosemary, Cumberland	Threatened	Dicot	No

	(Conradina verticillata)	Terrestrial

	Sandwort, Cumberland	Endangered	Dicot	No

	(Arenaria cumberlandensis)	Terrestrial

	Skullcap, Large-flowered	Threatened	Dicot	No

	(Scutellaria montana)	Terrestrial

	Spiraea, Virginia	Threatened	Dicot	No

	(Spiraea virginiana)	Terrestrial

	Fern, American hart's-tongue	Threatened	Ferns	No

	(Asplenium scolopendrium var. americanum)	Terrestrial

	Chub, Slender	Threatened	Fish	Yes

	(Erimystax cahni)	Freshwater

	Chub, Spotfin	Threatened	Fish	Yes

	(Erimonax monachus)	Freshwater

	Dace, Blackside	Threatened	Fish	No

	(Phoxinus cumberlandensis)	Freshwater

	Darter, Amber	Endangered	Fish	Yes

	(Percina antesella)	Freshwater

	Darter, Bluemask (=jewel)	Endangered	Fish	No

	(Etheostoma /)	Freshwater

	Darter, Boulder	Endangered	Fish	No

	(Etheostoma wapiti)	Freshwater

	Darter, Duskytail	Endangered	Fish	No

	(Etheostoma percnurum)	Freshwater

	Darter, Slackwater	Threatened	Fish	Yes

	(Etheostoma boschungi)	Freshwater

	Darter, Snail	Threatened	Fish	No

	(Percina tanasi)	Freshwater

	Logperch, Conasauga	Endangered	Fish	Yes

	(Percina jenkinsi)	Freshwater

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 79 of 92

	Tennessee	( 80) species:	Taxa	Critical Habitat

	Madtom, Pygmy	Endangered	Fish	No

	(Noturus stanauli)	Freshwater

	Madtom, Smoky	Endangered	Fish	Yes

	(Noturus baileyi)	Freshwater

	Madtom, Yellowfin	Threatened	Fish	Yes

	(Noturus flavipinnis)	Freshwater

	Shiner, Blue	Threatened	Fish	No

	(Cyprinella caerulea)	Freshwater

	Sturgeon, Pallid	Endangered	Fish	No

	(Scaphirhynchus albus)	Freshwater

	Marstonia, Royal (=Royal Snail)	Endangered	Gastropod	No

	(Pyrgulopsis ogmorhaphe)	Terrestrial

	Riversnail, Anthony's	Endangered	Gastropod	No

	(Athearnia anthonyi)	Freshwater

	Lichen, Rock Gnome	Endangered	Lichen	No

	(Gymnoderma lineare)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Squirrel, Carolina Northern Flying	Endangered	Mammal	No

	(Glaucomys sabrinus coloratus)	Terrestrial

	Grass, Tennessee Yellow-eyed	Endangered	Monocot	No

	(Xyris tennesseensis)	Terrestrial

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Texas	( 86) species:	Taxa	Critical Habitat

	Salamander, Barton Springs	Endangered	Amphibian	No

	(Eurycea sosorum)	Freshwater, Terrestrial

	Salamander, San Marcos	Threatened	Amphibian	Yes

	(Eurycea nana)	Freshwater, Terrestrial

	Salamander, Texas Blind	Endangered	Amphibian	No

	(Typhlomolge rathbuni)	Subterraneous, Freshwater

	Toad, Houston	Endangered	Amphibian	Yes

	(Bufo houstonensis)	Terrestrial, Freshwater

	Harvestman, Bee Creek Cave	Endangered	Arachnid	No

	(Texella reddelli)	Terrestrial, Subterraneous

	Harvestman, Bone Cave	Endangered	Arachnid	No

	(Texella reyesi)	Terrestrial, Subterraneous

	Harvestman, Robber Baron Cave	Endangered	Arachnid	Yes

	(Texella cokendolpheri)	Subterraneous, Terrestrial

	Meshweaver, Braken Bat Cave	Endangered	Arachnid	Yes

	(Cicurina venii)	Terrestrial, Subterraneous

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 80 of 92

	Texas	( 86) species:	Taxa	Critical Habitat

	Pseudoscorpion, Tooth Cave	Endangered	Arachnid	No

	(Tartarocreagris texana)	Terrestrial, Subterraneous

	Spider, Government Canyon Cave	Endangered	Arachnid	No

	(Neoleptoneta microps)	Subterraneous, Terrestrial

	Spider, Madla's Cave	Endangered	Arachnid	Yes

	(Cicurina madla)	Subterraneous, Terrestrial

	Spider, Robber Baron Cave	Endangered	Arachnid	Yes

	(Cicurina baronia)	Terrestrial, Subterraneous

	Spider, Tooth Cave	Endangered	Arachnid	No

	(Neoleptoneta myopica)	Terrestrial, Subterraneous

	Spider, Vesper Cave	Endangered	Arachnid	No

	(Cicurina vespera)	Subterraneous, Terrestrial

	Crane, Whooping	Endangered	Bird	Yes

	(Grus americana)	Terrestrial, Freshwater

	Curlew, Eskimo	Endangered	Bird	No

	(Numenius borealis)	Terrestrial

	Falcon, Northern Aplomado	Endangered	Bird	No

	(Falco femoralis septentrionalis)	Terrestrial

	Flycatcher, Southwestern Willow	Endangered	Bird	Yes

	(Empidonax traillii extimus)	Terrestrial

	Owl, Mexican Spotted	Threatened	Bird	Yes

	(Strix occidentalis lucida)	Terrestrial

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Prairie-chicken, Attwater's Greater	Endangered	Bird	No

	(Tympanuchus cupido attwateri)	Terrestrial

	Tern, Interior (population) Least	Endangered	Bird	No

	(Sterna antillarum)	Terrestrial

	Vireo, Black-capped	Endangered	Bird	No

	(Vireo atricapilla)	Terrestrial

	Warbler (=Wood), Golden-cheeked	Endangered	Bird	No

	(Dendroica chrysoparia)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Amphipod, Peck's Cave	Endangered	Crustacean	No

	(Stygobromus (=Stygonectes) pecki)	Subterraneous, Freshwater

	Ambrosia, South Texas	Endangered	Dicot	No

	(Ambrosia cheiranthifolia)	Terrestrial

	Ayenia, Texas	Endangered	Dicot	No

	(Ayenia limitaris)	Terrestrial

	Bladderpod, White	Endangered	Dicot	No

	(Lesquerella pallida)	Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 81 of 92

	Texas	( 86) species:	Taxa	Critical Habitat

	Bladderpod, Zapata	Endangered	Dicot	Yes

	(Lesquerella thamnophila)	Terrestrial

	Cactus, Black Lace	Endangered	Dicot	No

	(Echinocereus reichenbachii var. albertii)	Terrestrial

	Cactus, Bunched Cory	Threatened	Dicot	No

	(Coryphantha ramillosa)	Terrestrial

	Cactus, Chisos Mountain Hedgehog	Threatened	Dicot	No

	(Echinocereus chisoensis var. chisoensis)	Terrestrial

	Cactus, Lloyd's Mariposa	Threatened	Dicot	No

	(Echinomastus mariposensis)	Terrestrial

	Cactus, Nellie Cory	Endangered	Dicot	No

	(Coryphantha minima)	Terrestrial

	Cactus, Sneed Pincushion	Endangered	Dicot	No

	(Coryphantha sneedii var. sneedii)	Terrestrial

	Cactus, Star	Endangered	Dicot	No

	(Astrophytum asterias)	Terrestrial

	Cactus, Tobusch Fishhook	Endangered	Dicot	No

	(Ancistrocactus tobuschii)	Terrestrial

	Cat's-eye, Terlingua Creek	Endangered	Dicot	No

	(Cryptantha crassipes)	Terrestrial

	Dawn-flower, Texas Prairie (=Texas Bitterweed)	Endangered	Dicot	No

	(Hymenoxys texana)	Terrestrial

	Dogweed, Ashy	Endangered	Dicot	No

	(Thymophylla tephroleuca)	Terrestrial

	Frankenia, Johnston's	Endangered	Dicot	No

	(Frankenia johnstonii)	Terrestrial

	Fruit, Earth (=geocarpon)	Threatened	Dicot	No

	(Geocarpon minimum)	Terrestrial

	Manioc, Walker's	Endangered	Dicot	No

	(Manihot walkerae)	Terrestrial

	Oak, Hinckley	Threatened	Dicot	No

	(Quercus hinckleyi)	Terrestrial

	Phlox, Texas Trailing	Endangered	Dicot	No

	(Phlox nivalis ssp. texensis)	Terrestrial

	Pitaya, Davis' Green	Endangered	Dicot	No

	(Echinocereus viridiflorus var. davisii)	Terrestrial

	Poppy-mallow, Texas	Endangered	Dicot	No

	(Callirhoe scabriuscula)	Terrestrial

	Rush-pea, Slender	Endangered	Dicot	No

	(Hoffmannseggia tenella)	Terrestrial

	Sand-verbena, Large-fruited	Endangered	Dicot	No

	(Abronia macrocarpa)	Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 82 of 92

	Texas	( 86) species:	Taxa	Critical Habitat

	Snowbells, Texas	Endangered	Dicot	No

	(Styrax texanus)	Terrestrial

	Sunflower, Pecos	Threatened	Dicot	No

	(Helianthus paradoxus)	Terrestrial, Freshwater

	Wild-buckwheat, Gypsum	Threatened	Dicot	Yes

	(Eriogonum gypsophilum)	Terrestrial

	Darter, Fountain	Endangered	Fish	Yes

	(Etheostoma fonticola)	Freshwater

	Gambusia, Big Bend	Endangered	Fish	No

	(Gambusia gaigei)	Freshwater

	Gambusia, Clear Creek	Endangered	Fish	No

	(Gambusia heterochir)	Freshwater

	Gambusia, Pecos	Endangered	Fish	No

	(Gambusia nobilis)	Freshwater

	Gambusia, San Marcos	Endangered	Fish	Yes

	(Gambusia georgei)	Freshwater

	Minnow, Devils River	Threatened	Fish	No

	(Dionda diaboli)	Freshwater

	Pupfish, Comanche Springs	Endangered	Fish	No

	(Cyprinodon elegans)	Freshwater

	Pupfish, Leon Springs	Endangered	Fish	Yes

	(Cyprinodon bovinus)	Freshwater

	Shiner, Arkansas River	Threatened	Fish	Yes

	(Notropis girardi)	Freshwater

	Snail, Pecos Assiminea	Endangered	Gastropod	Yes

	(Assiminea pecos)	Freshwater

	Beetle, American Burying	Endangered	Insect	No

	(Nicrophorus americanus)	Terrestrial

	Beetle, Coffin Cave Mold	Endangered	Insect	No

	(Batrisodes texanus)	Subterraneous

	Beetle, Comal Springs Dryopid	Endangered	Insect	No

	(Stygoparnus comalensis)	Subterraneous, Freshwater

	Beetle, Comal Springs Riffle	Endangered	Insect	No

	(Heterelmis comalensis)	Subterraneous, Freshwater

	Beetle, Helotes Mold	Endangered	Insect	Yes

	(Batrisodes venyivi)	Subterraneous

	Beetle, Kretschmarr Cave Mold	Endangered	Insect	No

	(Texamaurops reddelli)	Subterraneous

	Beetle, Tooth Cave Ground	Endangered	Insect	No

	(Rhadine persephone)	Subterraneous

	Rhadine exilis (ncn)	Endangered	Insect	Yes

	(Rhadine exilis)	Terrestrial, Subterraneous

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 83 of 92

	Texas	( 86) species:	Taxa	Critical Habitat

	Rhadine infernalis (ncn)	Endangered	Insect	Yes

	(Rhadine infernalis)	Terrestrial, Subterraneous

	Bat, Mexican Long-nosed	Endangered	Mammal	No

	(Leptonycteris nivalis)	Subterraneous, Terrestrial

	Bear, Louisiana Black	Threatened	Mammal	No

	(Ursus americanus luteolus)	Terrestrial

	Jaguarundi, Gulf Coast	Endangered	Mammal	No

	(Herpailurus (=Felis) yagouaroundi cacomitli)	Terrestrial

	Jaguarundi, Sinaloan	Endangered	Mammal	No

	(Herpailurus (=Felis) yagouaroundi tolteca)	Terrestrial

	Ocelot	Endangered	Mammal	No

	(Leopardus (=Felis) pardalis)	Terrestrial

	Ladies'-tresses, Navasota	Endangered	Monocot	No

	(Spiranthes parksii)	Terrestrial

	Pondweed, Little Aguja Creek	Endangered	Monocot	No

	(Potamogeton clystocarpus)	Freshwater

	Wild-rice, Texas	Endangered	Monocot	Yes

	(Zizania texana)	Freshwater

	Sea turtle, green	Endangered	Reptile	No

	(Chelonia mydas)	Saltwater

	Sea turtle, hawksbill	Endangered	Reptile	Yes

	(Eretmochelys imbricata)	Saltwater

	Sea turtle, Kemp's ridley	Endangered	Reptile	No

	(Lepidochelys kempii)	Saltwater

	Sea turtle, leatherback	Endangered	Reptile	Yes

	(Dermochelys coriacea)	Saltwater

	Sea turtle, loggerhead	Threatened	Reptile	No

	(Caretta caretta)	Saltwater

	Snake, Concho Water	Threatened	Reptile	Yes

	(Nerodia paucimaculata)	Freshwater, Terrestrial

	Utah	( 34) species:	Taxa	Critical Habitat

	Flycatcher, Southwestern Willow	Endangered	Bird	Yes

	(Empidonax traillii extimus)	Terrestrial

	Owl, Mexican Spotted	Threatened	Bird	Yes

	(Strix occidentalis lucida)	Terrestrial

	Bear-poppy, Dwarf	Endangered	Dicot	No

	(Arctomecon humilis)	Terrestrial

	Bladderpod, Kodachrome	Endangered	Dicot	No

	(Lesquerella tumulosa)	Terrestrial

	Cactus, Siler Pincushion	Threatened	Dicot	No

	(Pediocactus (=Echinocactus,=Utahia) sileri)	Terrestrial

	Cactus, Uinta Basin Hookless	Threatened	Dicot	No

	(Sclerocactus glaucus)	Terrestrial

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 84 of 92

	Utah	( 34) species:	Taxa	Critical Habitat

	Cactus, Winkler	Threatened	Dicot	No

	(Pediocactus winkleri)	Terrestrial

	Cactus, Wright Fishhook	Endangered	Dicot	No

	(Sclerocactus wrightiae)	Terrestrial

	Cycladenia, Jones	Threatened	Dicot	No

	(Cycladenia jonesii (=humilis))	Terrestrial

	Daisy, Maguire	Threatened	Dicot	No

	(Erigeron maguirei)	Freshwater

	Milk-vetch, Deseret	Threatened	Dicot	No

	(Astragalus desereticus)	Terrestrial

	Milk-vetch, Heliotrope	Threatened	Dicot	Yes

	(Astragalus montii)	Terrestrial

	Milk-vetch, Holmgren	Endangered	Dicot	No

	(Astragalus holmgreniorum)	Terrestrial

	Milk-vetch, Shivwits	Endangered	Dicot	No

	(Astragalus ampullarioides)	Terrestrial

	Milkweed, Welsh's	Threatened	Dicot	Yes

	(Asclepias welshii)	Terrestrial

	Phacelia, Clay	Endangered	Dicot	No

	(Phacelia argillacea)	Terrestrial

	Primrose, Maguire	Threatened	Dicot	No

	(Primula maguirei)	Terrestrial

	Reed-mustard, Barneby	Endangered	Dicot	No

	(Schoenocrambe barnebyi)	Terrestrial

	Reed-mustard, Shrubby	Endangered	Dicot	No

	(Schoenocrambe suffrutescens)	Terrestrial

	Ridge-cress (=Pepper-cress), Barneby	Endangered	Dicot	No

	(Lepidium barnebyanum)	Terrestrial

	Townsendia, Last Chance	Threatened	Dicot	No

	(Townsendia aprica)	Terrestrial

	Chub, Bonytail	Endangered	Fish	Yes

	(Gila elegans)	Freshwater

	Chub, Humpback	Endangered	Fish	Yes

	(Gila cypha)	Freshwater

	Chub, Virgin River	Endangered	Fish	Yes

	(Gila seminuda (=robusta))	Freshwater

	Squawfish, Colorado	Endangered	Fish	Yes

	(Ptychocheilus lucius)	Freshwater

	Sucker, June	Endangered	Fish	Yes

	(Chasmistes liorus)	Freshwater

	Sucker, Razorback	Endangered	Fish	Yes

	(Xyrauchen texanus)	Freshwater

6/5/2010 11:51:21 AM   Ver. 2.10.4	Page 85 of 92

	Utah	( 34) species:	Taxa	Critical Habitat

	Trout, Lahontan Cutthroat	Threatened	Fish	No

	(Oncorhynchus clarki henshawi)	Freshwater

	Woundfin	Endangered	Fish	Yes

	(Plagopterus argentissimus)	Freshwater

	Ferret, Black-footed	Endangered	Mammal	No

	(Mustela nigripes)	Terrestrial

	Prairie Dog, Utah	Threatened	Mammal	No

	(Cynomys parvidens)	Terrestrial, Subterraneous

	Ladies'-tresses, Ute	Threatened	Monocot	No

	(Spiranthes diluvialis)	Terrestrial

	Sedge, Navajo	Threatened	Monocot	Yes

	(Carex specuicola)	Terrestrial

	Tortoise, Desert	Threatened	Reptile	Yes

	(Gopherus agassizii)	Terrestrial

	Vermont	( 4) species:	Taxa	Critical Habitat

	Mussel, Dwarf Wedge	Endangered	Bivalve	No

	(Alasmidonta heterodon)	Freshwater

	Milk-vetch, Jesup's	Endangered	Dicot	No

	(Astragalus robbinsii var. jesupi)	Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Bulrush, Northeastern (=Barbed Bristle)	Endangered	Monocot	No

	(Scirpus ancistrochaetus)	Terrestrial, Freshwater

	Virginia	( 57) species:	Taxa	Critical Habitat

	Salamander, Shenandoah	Endangered	Amphibian	No

	(Plethodon shenandoah)	Freshwater, Terrestrial

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Woodpecker, Red-cockaded	Endangered	Bird	No

	(Picoides borealis)	Terrestrial

	Fanshell	Endangered	Bivalve	No

	(Cyprogenia stegaria)	Freshwater

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

	Mussel, Cumberland Combshell	Endangered	Bivalve	Yes

	(Epioblasma brevidens)	Freshwater

	Mussel, Cumberland Elktoe	Endangered	Bivalve	Yes

	(Alasmidonta atropurpurea)	Freshwater

	Mussel, Dwarf Wedge	Endangered	Bivalve	No

	(Alasmidonta heterodon)	Freshwater

	Mussel, Fine-rayed Pigtoe	Endangered	Bivalve	No

	(Fusconaia cuneolus)	Freshwater

6/5/2010 11:51:22 AM   Ver. 2.10.4	Page 86 of 92

	Virginia	( 57) species:	Taxa	Critical Habitat

	Mussel, Oyster	Endangered	Bivalve	Yes

	(Epioblasma capsaeformis)	Freshwater

	Mussel, Rough Pigtoe	Endangered	Bivalve	No

	(Pleurobema plenum)	Freshwater

	Mussel, Shiny Pigtoe	Endangered	Bivalve	No

	(Fusconaia cor)	Freshwater

	Pearlymussel, Appalachian Monkeyface	Endangered	Bivalve	No

	(Quadrula sparsa)	Freshwater

	Pearlymussel, Birdwing	Endangered	Bivalve	No

	(Conradilla caelata)	Freshwater

	Pearlymussel, Cracking	Endangered	Bivalve	No

	(Hemistena lata)	Freshwater

	Pearlymussel, Cumberland Bean	Endangered	Bivalve	No

	(Villosa trabalis)	Freshwater

	Pearlymussel, Cumberland Monkeyface	Endangered	Bivalve	No

	(Quadrula intermedia)	Freshwater

	Pearlymussel, Dromedary	Endangered	Bivalve	No

	(Dromus dromas)	Freshwater

	Pearlymussel, Green-blossom	Endangered	Bivalve	No

	(Epioblasma torulosa gubernaculum)	Freshwater

	Pearlymussel, Little-wing	Endangered	Bivalve	No

	(Pegias fabula)	Freshwater

	Purple Bean	Endangered	Bivalve	Yes

	(Villosa perpurpurea)	Freshwater

	Rabbitsfoot, Rough	Endangered	Bivalve	Yes

	(Quadrula cylindrica strigillata)	Freshwater

	Riffleshell, Tan	Endangered	Bivalve	No

	(Epioblasma florentina walkeri (=E. walkeri))	Freshwater

	Spinymussel, James River	Endangered	Bivalve	No

	(Pleurobema collina)	Freshwater

	Isopod, Lee County Cave	Endangered	Crustacean	No

	(Lirceus usdagalun)	Freshwater

	Isopod, Madison Cave	Threatened	Crustacean	No

	(Antrolana lira)	Freshwater

	Amaranth, Seabeach	Threatened	Dicot	No

	(Amaranthus pumilus)	Coastal (neritic)

	Bittercress, Small-anthered	Endangered	Dicot	No

	(Cardamine micranthera)	Terrestrial

	Chaffseed, American	Endangered	Dicot	No

	(Schwalbea americana)	Terrestrial

	Coneflower, Smooth	Endangered	Dicot	No

	(Echinacea laevigata)	Terrestrial

6/5/2010 11:51:22 AM   Ver. 2.10.4	Page 87 of 92

	Virginia	( 57) species:	Taxa	Critical Habitat

	Harperella	Endangered	Dicot	No

	(Ptilimnium nodosum)	Freshwater

	Joint-vetch, Sensitive	Threatened	Dicot	No

	(Aeschynomene virginica)	Terrestrial, Brackish

	Rock-cress, Shale Barren	Endangered	Dicot	No

	(Arabis serotina)	Terrestrial

	Sneezeweed, Virginia	Threatened	Dicot	No

	(Helenium virginicum)	Vernal pool

	Spiraea, Virginia	Threatened	Dicot	No

	(Spiraea virginiana)	Terrestrial

	Sumac, Michaux's	Endangered	Dicot	No

	(Rhus michauxii)	Terrestrial

	Sunflower, Schweinitz's	Endangered	Dicot	No

	(Helianthus schweinitzii)	Terrestrial

	Chub, Slender	Threatened	Fish	Yes

	(Erimystax cahni)	Freshwater

	Chub, Spotfin	Threatened	Fish	Yes

	(Erimonax monachus)	Freshwater

	Dace, Blackside	Threatened	Fish	No

	(Phoxinus cumberlandensis)	Freshwater

	Darter, Duskytail	Endangered	Fish	No

	(Etheostoma percnurum)	Freshwater

	Logperch, Roanoke	Endangered	Fish	No

	(Percina rex)	Freshwater

	Madtom, Yellowfin	Threatened	Fish	Yes

	(Noturus flavipinnis)	Freshwater

	Sturgeon, Shortnose	Endangered	Fish	No

	(Acipenser brevirostrum)	Saltwater, Freshwater

	Snail, Virginia Fringed Mountain	Endangered	Gastropod	No

	(Polygyriscus virginianus)	Terrestrial

	Beetle, Northeastern Beach Tiger	Threatened	Insect	No

	(Cicindela dorsalis dorsalis)	Terrestrial

	Butterfly, Mitchell's Satyr	Endangered	Insect	No

	(Neonympha mitchellii mitchellii)	Terrestrial

	Butterfly, Saint Francis' Satyr	Endangered	Insect	No

	(Neonympha mitchellii francisci)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Bat, Virginia Big-eared	Endangered	Mammal	Yes

	(Corynorhinus (=Plecotus) townsendii virginianus)	Terrestrial,
Subterraneous

6/5/2010 11:51:22 AM   Ver. 2.10.4	Page 88 of 92

	Virginia	( 57) species:	Taxa	Critical Habitat

	Squirrel, Delmarva Peninsula Fox	Endangered	Mammal	No

	(Sciurus niger cinereus)	Terrestrial

	Bulrush, Northeastern (=Barbed Bristle)	Endangered	Monocot	No

	(Scirpus ancistrochaetus)	Terrestrial, Freshwater

	Orchid, Eastern Prairie Fringed	Threatened	Monocot	No

	(Platanthera leucophaea)	Terrestrial

	Pink, Swamp	Threatened	Monocot	No

	(Helonias bullata)	Terrestrial, Freshwater

	Pogonia, Small Whorled	Threatened	Monocot	No

	(Isotria medeoloides)	Terrestrial

	Sea turtle, loggerhead	Threatened	Reptile	No

	(Caretta caretta)	Saltwater

	Washington	( 33) species:	Taxa	Critical Habitat

	Murrelet, Marbled	Threatened	Bird	Yes

	(Brachyramphus marmoratus marmoratus)	Freshwater, Terrestrial,
Saltwater

	Owl, Northern Spotted	Threatened	Bird	Yes

	(Strix occidentalis caurina)	Terrestrial

	Plover, Western Snowy	Threatened	Bird	Yes

	(Charadrius alexandrinus nivosus)	Terrestrial

	Catchfly, Spalding's	Threatened	Dicot	No

	(Silene spaldingii)	Terrestrial

	Checker-mallow, Nelson's	Threatened	Dicot	No

	(Sidalcea nelsoniana)	Terrestrial

	Checker-mallow, Wenatchee Mountains	Endangered	Dicot	Yes

	(Sidalcea oregana var. calva)	Terrestrial

	Howellia, Water	Threatened	Dicot	No

	(Howellia aquatilis)	Freshwater

	Lupine, Kincaid's	Threatened	Dicot	No

	(Lupinus sulphureus (=oreganus) ssp. kincaidii (=var. kincaidii))
Terrestrial

	Paintbrush, Golden	Threatened	Dicot	No

	(Castilleja levisecta)	Terrestrial

	Stickseed, Showy	Endangered	Dicot	No

	(Hackelia venusta)	Terrestrial

	Salmon, Chinook (Lower Columbia River)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Freshwater, Brackish, Saltwater

	Salmon, Chinook (Puget Sound)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Freshwater, Brackish, Saltwater

	Salmon, Chinook (Snake River Fall Run)	Threatened	Fish	No

	(Oncorhynchus (=Salmo) tshawytscha)	Freshwater, Saltwater, Brackish

	Salmon, Chinook (Snake River spring/summer)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Brackish, Saltwater, Freshwater

	Salmon, Chinook (Upper Columbia River Spring)	Endangered	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Freshwater, Saltwater, Brackish

6/5/2010 11:51:22 AM   Ver. 2.10.4	Page 89 of 92

	Washington	( 33) species:	Taxa	Critical Habitat

	Salmon, Chinook (Upper Willamette River)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) tshawytscha)	Saltwater, Brackish, Freshwater

	Salmon, Chum (Columbia River population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) keta)	Brackish, Freshwater, Saltwater

	Salmon, Chum (Hood Canal Summer population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) keta)	Freshwater, Brackish, Saltwater

	Salmon, Sockeye (Ozette Lake population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) nerka)	Saltwater, Freshwater, Brackish

	Salmon, Sockeye (Snake River population)	Endangered	Fish	No

	(Oncorhynchus (=Salmo) nerka)	Brackish, Saltwater, Freshwater

	Steelhead, (Lower Columbia River population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Brackish, Freshwater, Saltwater

	Steelhead, (Middle Columbia River population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Freshwater, Saltwater, Brackish

	Steelhead, (Snake River Basin population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Freshwater, Brackish, Saltwater

	Steelhead, (Upper Columbia River population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Brackish, Saltwater, Freshwater

	Steelhead, (Upper Willamette River population)	Threatened	Fish	Yes

	(Oncorhynchus (=Salmo) mykiss)	Brackish, Saltwater, Freshwater

	Steelhead, Puget Sound	Threatened	Fish	No

	(Oncorhynchus mykiss)

	Trout, Bull	Threatened	Fish	No

	(Salvelinus confluentus)	Freshwater

	Trout, Bull (Columbia River population)	Threatened	Fish	Yes

	(Salvelinus confluentus)	Freshwater

	Trout, Bull (Klamath River population)	Threatened	Fish	Yes

	(Salvelinus confluentus)	Freshwater

	Butterfly, Oregon Silverspot	Threatened	Insect	Yes

	(Speyeria zerene hippolyta)	Terrestrial

	Bear, Grizzly	Threatened	Mammal	No

	(Ursus arctos horribilis)	Terrestrial

	Deer, Columbian White-tailed	Endangered	Mammal	No

	(Odocoileus virginianus leucurus)	Terrestrial

	Rabbit, Pygmy	Endangered	Mammal	No

	(Brachylagus idahoensis)	Terrestrial

	West Virginia	( 15) species:	Taxa	Critical Habitat

	Salamander, Cheat Mountain	Threatened	Amphibian	No

	(Plethodon nettingi)	Freshwater, Terrestrial

	Fanshell	Endangered	Bivalve	No

	(Cyprogenia stegaria)	Freshwater

	Mucket, Pink (Pearlymussel)	Endangered	Bivalve	No

	(Lampsilis abrupta)	Freshwater

6/5/2010 11:51:22 AM   Ver. 2.10.4	Page 90 of 92

	West Virginia	( 15) species:	Taxa	Critical Habitat

	Mussel, Clubshell	Endangered	Bivalve	No

	(Pleurobema clava)	Freshwater

	Pearlymussel, Tubercled-blossom	Endangered	Bivalve	No

	(Epioblasma torulosa torulosa)	Freshwater

	Spinymussel, James River	Endangered	Bivalve	No

	(Pleurobema collina)	Freshwater

	Clover, Running Buffalo	Endangered	Dicot	No

	(Trifolium stoloniferum)	Terrestrial

	Harperella	Endangered	Dicot	No

	(Ptilimnium nodosum)	Freshwater

	Rock-cress, Shale Barren	Endangered	Dicot	No

	(Arabis serotina)	Terrestrial

	Spiraea, Virginia	Threatened	Dicot	No

	(Spiraea virginiana)	Terrestrial

	Snail, Flat-spired Three-toothed	Threatened	Gastropod	No

	(Triodopsis platysayoides)	Terrestrial

	Bat, Gray	Endangered	Mammal	No

	(Myotis grisescens)	Subterraneous, Terrestrial

	Bat, Indiana	Endangered	Mammal	Yes

	(Myotis sodalis)	Subterraneous, Terrestrial

	Bat, Virginia Big-eared	Endangered	Mammal	Yes

	(Corynorhinus (=Plecotus) townsendii virginianus)	Terrestrial,
Subterraneous

	Bulrush, Northeastern (=Barbed Bristle)	Endangered	Monocot	No

	(Scirpus ancistrochaetus)	Terrestrial, Freshwater

	Wisconsin	( 14) species:	Taxa	Critical Habitat

	Crane, Whooping	Endangered	Bird	Yes

	(Grus americana)	Terrestrial, Freshwater

	Plover, Piping	Endangered	Bird	Yes

	(Charadrius melodus)	Terrestrial

	Warbler (=Wood), Kirtland's	Endangered	Bird	No

	(Dendroica kirtlandii)	Terrestrial

	Mussel, Winged Mapleleaf	Endangered	Bivalve	No

	(Quadrula fragosa)	Freshwater

	Pearlymussel, Higgins' Eye	Endangered	Bivalve	No

	(Lampsilis higginsii)	Freshwater

	Clover, Prairie Bush	Threatened	Dicot	No

	(Lespedeza leptostachya)	Terrestrial

	Locoweed, Fassett's	Threatened	Dicot	No

	(Oxytropis campestris var. chartacea)	Terrestrial

	Monkshood, Northern Wild	Threatened	Dicot	No

	(Aconitum noveboracense)	Terrestrial

	Thistle, Pitcher's	Threatened	Dicot	No

	(Cirsium pitcheri)	Terrestrial

6/5/2010 11:51:22 AM   Ver. 2.10.4	Page 91 of 92

	Wisconsin	( 14) species:	Taxa	Critical Habitat

	Butterfly, Karner Blue	Endangered	Insect	No

	(Lycaeides melissa samuelis)	Terrestrial

	Dragonfly, Hine's Emerald	Endangered	Insect	Yes

	(Somatochlora hineana)	Freshwater, Terrestrial

	Lynx, Canada	Threatened	Mammal	No

	(Lynx canadensis)	Terrestrial

	Iris, Dwarf Lake	Threatened	Monocot	No

	(Iris lacustris)	Terrestrial

	Orchid, Eastern Prairie Fringed	Threatened	Monocot	No

	(Platanthera leucophaea)	Terrestrial

	Wyoming	( 1) species:	Taxa	Critical Habitat

	Ferret, Black-footed	Endangered	Mammal	No

	(Mustela nigripes)	Terrestrial

No species were selected for exclusion.

Dispersed species included in report.

   HYPERLINK
"http://www.regulations.gov/search/Regs/home.html#docketDetail?R=EPA-HQ-
OPP-2007-1038" 
http://www.regulations.gov/search/Regs/home.html#docketDetail?R=EPA-HQ-O
PP-2007-1038  

 http://cfpub.epa.gov/crem/knowledge_base/crem_report.cfm?deid=74897

 Code of Federal Regulations 40, Part 158.subpart 630.  Terrestrial and
aquatic nontarget organism data requirements. 
http://ecfr.gpoaccess.gov/cgi/t/text/text-idx?c=ecfr;sid=fe712efed37d095
118c7637457e011b3;rgn=div5;view=text;node=40%3A23.0.1.1.9;idno=40;cc=ecf
r#40:23.0.1.1.9.7.1.1

 USEPA 1996.  Ecological Effects Test Guideline 850.2300 Avian
Reproduction Test. 
http://www.epa.gov/opptsfrs/publications/OPPTS_Harmonized/850_Ecological
_Effects_Test_Guidelines/Drafts/850-2300.pdf  

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' American Bird Conservancy.  Avian Incident Monitoring System  
HYPERLINK
"http://www.abcbirds.org/abcprograms/policy/pesticides/aims/aims/index.c
fm" 
http://www.abcbirds.org/abcprograms/policy/pesticides/aims/aims/index.cf
m   Accessed May 2010.

  PAGE   29 

 PAGE   

Page   PAGE  49  of   NUMPAGES  146 

  PAGE   146 

OFFICE OF

CHEMICAL SAFETY AND

       POLLUTION PREVENTION

Stressor

Source

Receptors

Attribute

Change

Isoxaben applied to nut orchards or vineyards

Direct

application

Spray drift

Birds / Terrestrial-phase amphibians / reptiles / mammals

Juvenile

Adult

Terrestrial 

insects

Individual organisms

Reduced survival

Reduced growth

Reduced reproduction

Food chain

Reduction in prey

Habitat integrity

Reduction in primary productivity

Reduced cover

Community change

Terrestrial/riparian plants

grasses/forbs, fruit, seeds (trees, shrubs)

Runoff

Birds / Mammals

Exposure

Media

Soil

Ingestion

Ingestion

Ingestion

Ingestion

Dermal uptake/Ingestion

Long range atmospheric transport

Root uptake

Wet/dry deposition

Birds / Amphibians

Ingestion

Ground water

Riparian plant terrestrial exposure 

(Figure 2)

Uptake/cell, 

roots, leaves

Aquatic Plants

Non-vascular

Vascular

Uptake/gills 

or integument

Ground water

Soil

Wet/dry deposition

Long-range atmospheric transport

Ingestion

Ingestion

Uptake/gills 

or integument

Exposure

Media

Aquatic Animals

Invertebrates

Vertebrates

Runoff

Surface water/

Sediment

Habitat integrity

Reduction in primary productivity

Reduced cover

Community change

Food chain

Reduction in algae

Reduction in prey

Individual organisms

Reduced survival

Reduced growth

Reduced reproduction

Fish/aquatic-phase amphibians

Eggs     

Larvae 

Juveniles / Adults

Spray drift

Isoxaben applied to nut orchards or vineyards

Attribute

Change

Receptors

Source

Stressor