Washington Administrative Code › Title 16 - Agriculture, Department of (See also Titles 24, 60, and 142) › STATE NOXIOUS WEED CONTROL BOARD AGENCY › Chapter 16-752 - Noxious weed seed and plant quarantine › Section 16-752-610 - Regulated articles

Current through Register Vol. 24-14, July 15, 2024
All plants, plant parts, and seeds in packets, blends, and
				  "wildflower mixes" of the following listed species are designated as regulated
				  articles under the terms of this noxious weed seed and plant quarantine. This
				  list is comprised of the most recent and accepted scientific and common names
				  of the quarantine plant species. Regulated status also applies to all synonyms
				  of these botanical names and interspecies hybrids if both parents are regulated
				  species:
Scientific Name
Common
						  Names
Abutilon theophrasti
velvetleaf
Ailanthus altissima
tree-of-heaven
Alliaria petiolata
garlic mustard
Amorpha fruticosa
indigobush, lead plant
Anchusa officinalis
common bugloss, alkanet, anchusa
Anthriscus sylvestris
wild chervil
Arum italicum
Italian arum
Arundo donax
(except variegated
						  cultivars)
giant reed
Bassia scoparia (syn. Kochia scoparia)
kochia, summer-cyprus, burning-bush, fireball, Mexican
						  fireweed
Berteroa incana
hoary
						  alyssum
Brachypodium sylvaticum
false brome
Buddleia davidii
(except accepted
						  sterile cultivars)
butterfly bush
Butomus umbellatus
flowering rush
Cabomba caroliniana
fanwort
Carduus acanthoides
plumeless thistle
Carduus nutans
musk thistle, nodding thistle
Carduus pycnocephalus
Italian thistle
Carduus
						  tenuiflorus
slenderflower thistle
Centaurea calcitrapa
purple starthistle
Centaurea diffusa
diffuse knapweed
Centaurea jacea
brown knapweed, rayed knapweed, brown centaury
						  horse-knobs, hardheads
Centaurea macro-cephala
bighead knapweed
Centaurea nigra
black knapweed
Centaurea nigrescens
Vochin knapweed
Centaurea stoebe
spotted knapweed
Centaurea x gerstlaueri (syn. Centaurea jacea x
						  nigra)
meadow knapweed
Chaenorhinum minus
dwarf snapdragon
Clematis orientalis
oriental clematis
Conium maculatum
poison hemlock
Crassula helmsii
Australian swamp stonecrop
Crupina vulgaris
common crupina
Cyperus rotundus
purple nutsedge
Cytisus scoparius
Scotch broom
Daphne laureola
spurge laurel
Daucus carota
wild carrot, Queen Anne's lace
Echium vulgare
blueweed, blue thistle, blue devil, viper's bugloss,
						  snake flower
Egeria densa
Brazilian elodea
Epilobium hirsutum
hairy willow herb
Euphorbia myrsinites
myrtle spurge
Euphorbia oblongata
eggleaf spurge
Euphorbia virgate (syn. Euphorbia
						  esula)
leafy spurge
Fallopia japonica
Japanese knotweed
Fallopia sachalinensis
giant
						  knotweed
Fallopia x bohemica
Bohemian knotweed
Ficaria verna
lesser celandine
Galega officinalis
goatsrue
Genista monspessulana
French broom
Geranium lucidum
shiny geranium
Glossostigma dian-drum
mud mat
Glyceria maxima
reed sweetgrass, tall manna grass
Gymnocoronis spilan-thoides
Senegal tea plant
Helianthus ciliaris
Texas blueweed
Heracleum mantegaz-zianum
giant hogweed, giant cow parsnip
Hibiscus trionum
Venice mallow, flower-of-an-hour, bladder ketmia,
						  modesty, shoo-fly
Hieracium spp.
All nonnative species
						  and hybrids
nonnative hawkweeds
Hydrilla verticillata
hydrilla
Hydrocharis morsus-ranae
European frog-bit
Impatiens glandulifera
policeman's helmet
Impatiens parviflora
small-flowered jewelweed
Iris pseudacorus
yellow flag iris
Isatis tinctoria
dyers' woad
Jacobaea vulgaris (syn. Senecio
						  jaco-baea)
tansy ragwort
Lagarosiphon major
African elodea
Lamiastrum galeobdolon
yellow archangel
Lepidium latifolium
perennial pepperweed
Leucanthemum vulgare
oxeye daisy, white daisy, white-weed, field daisy,
						  marguerite, poorland flower
Limnobium laevigatum
South American spongeplant
Limnobium spongia
American spongeplant
Linaria dalmatica spp. dalmatica
Dalmatian toadflax
Ludwigia hexapetala
water primrose
Ludwigia peploides
floating primrose-willow
Lycopsis arvensis
annual bugloss
Lysimachia vulgaris
garden loosestrife
Lythrum salicaria
purple loosestrife
Lythrum virgatum
wand loosestrife
Marsilea mutica
Australian water clover
Mirabilis nyctaginea
wild four o'clock, umbrella-wort
Murdannia keisak
marsh dew flower, Asian spider-wort
Myriophyllum aquaticum
parrotfeather
Myriophyllum heterophyllum
variable-leaf milfoil
Myriophyllum spicatum
Eurasian watermilfoil
Najas mino
r
slender-leaved naiad, brittle naiad
Nymphoides peltata
yellow floating heart
Onopordum acanthium
Scotch thistle
Persicaria wallichii
Himalayan knotweed
(syn. Polygonum
polystachyum)
Proboscidea louisianica
unicorn-plant
Pueraria montana var.
kudzu
lobata
Sagittaria graminea
grass-leaved arrowhead
Sagittaria platyphylla
delta arrowhead
Salvia aethiopis
Mediterranean sage
Salvia pratensis
meadow clary
Salvia sclarea
clary sage
Schoenoplectus
ricefield bulrush
mucronatus
Silybum marianum
milk thistle
Solanum elaeagnifolium
silverleaf nightshade
Solanum rostratum
buffaloburr
Soliva sessilis
lawnweed
Sorghum halepense
johnsongrass
Spartina alterniflora
smooth cordgrass
Spartina anglica
common cordgrass
Spartina densiflora
dense-flowered cordgrass
Spartina patens
salt meadow cordgrass
Spartium junceum
Spanish broom
Stratiotes aloides
water soldier
Tamarix ramosissima
saltcedar
Thymelaea passerina
spurge flax
Torilis arvensis
hedgeparsley
Trapa natans
water chestnut, bull nut
Trapa bicornus
water caltrap, devil's pod, bat nut
Tripidium ravennae
Ravenna grass
Ulex europaeus
gorse, furze
Utricularia inflata
swollen bladderwort
Zygophyllum fabago
Syrian bean-caper
Statutory Authority: Chapters 17.10,
					 17.24, and
					 34.05 RCW. 09-19-006, §
					 16-752-610, filed 9/3/09, effective 10/4/09; 04-19-004, § 16-752-610,
					 filed 9/2/04, effective 10/3/04. Statutory Authority:
					 Chapters
					 17.24, 17.10,
					 15.13 RCW. 02-12-030, §
					 16-752-610, filed 5/29/02, effective 6/29/02. Statutory Authority:
					 Chapters
					 17.24, 17.10 RCW.
					 00-24-021, § 16-752-610, filed 11/28/00, effective 12/29/00; 98-13-008,
					 § 16-752-610, filed 6/4/98, effective 7/5/98. Statutory Authority:
					 Chapters 17.10 and
					 17.24 RCW. 92-07-025, §
					 16-752-610, filed 3/10/92, effective
					 4/10/92.