Idaho Administrative Code › Title IDAPA 02 - Agriculture, Department of › Rule 02.06.01 - RULES GOVERNING THE PRODUCTION AND DISTRIBUTION OF SEED › Subchapter A - PURE SEED › Section 02.06.01.150 - NOXIOUS WEEDS

Current through August 31, 2023
01.
Prohibited Noxious Weed Seeds -- Table 1
.
Common Name
Scientific Name
1.
Beancaper, Syrian
1.
Zygophyllum fabago
								L.
2.
Bindweed, Field
2.
Convolvulvus arvensis
								L.
3.
Buffalobur
3.
Solanum rostratum
								Dun.
4.
Bursage, Skeleton
								leaf
4.
Ambrosia tomentosa
								Nutt.
5.
Camelthorn
5.
Alhagi camelorum
								Fisch.
6.
Carrot, Wild
6.
Daucus carota
								L.
7.
Cress, Hoary
7.
Cardaria draba (L.)
								Desv.
8.
Crupina, Common
8.
Crupina vulgaris
								Cass.
9.
Fieldcress,
								Austrian
9.
Rorippa austriaca (Crantz)
								Bess.
10.
Goatgrass
10.
Aegilops cylindrica
								Host
11.
Groundcherry,
								Smooth
11.
Physalis subglabrata
								Mackenz. & Bush
12.
Henbane, Black
12.
Hyoscyamus niger
								L.
13.
Johnsongrass
13.
Sorghum halepense
								L.
14.
Knapweed, Diffuse
14.
Centaurea diffusa
								Lam.
15.
Knapweed, Russian
15.
Centaurea repens
								L.
16.
Knapweed, Spotted
16.
Centaurea maculosa
								Lam.
17.
Lythrum, Purple
17.
Lythrum salicaria
								L.
18.
Nightshade,
								Silverleaf
18.
Solanum elaeagnifolium
								Cav.
19.
Pepperweed,
								Perennial
19.
Lepidium latifolium
								L.
20.
Poison-Hemlock
20.
Conium maculatum
								L.
21.
Puncturevine
21.
Tribulus terrestris
								L.
22.
Quackgrass
22.
Elytrigia repens;
								Agropyron repens (L.) Beauv.
23.
Ragwort, Tansy
23.
Senecio jacobaea
								L.
24.
Skeletonweed, Rush
24.
Chondrilla juncea
								L.
25.
Sowthistle,
								Perennial
25.
Sonchus arvensis
								L.
26.
Spurge, Leafy
26.
Euphorbia esula
								L.
27.
St. Johnswort,
								Common
27.
Hypericum perforatum
								L.
28.
Starthistle,
								Yellow
28.
Centaurea solstitialis
								L.
29.
Swainsonpea
29.
Sphaerophys salsula
								(Pall.) DC; Swainsona salsula (Pallas) Taubert
30.
Thistle, Canada
30.
Cirsium arvense (L.)
								Scop.
31.
Thistle, Musk
31.
Carduus nutans
								L.
32.
Thistle, Scotch
32.
Onopordum acanthium
								L.
33.
Toadflax,
								Dalmatian
33.
Linaria genistifolia spp.
								dalmatica (L.) Maire & Petitmengin
34.
Toadflax, Yellow
34.
Linaria vulgaris
								Mill.
35.
Woad, Dyers
35.
Isatis tinctoria
								L.
(3-15-22)
02.
Restricted Noxious Weed Seeds --
				Table 2
.
Common Name
Scientific Name
1.
Dodder
1.
Cuscuta spp.
2.
Halogeton
Halogeton glomeratus (Stephen ex Bieb.)
2.
C.A. Mey
3.
Lettuce, Blue
3.
Lactuca pulchella (Pursch)
								DC.
4.
Oats, Wild
4.
Avena fatua L.
5.
Plantain, Buckhorn
5.
Plantago lanceolata L.
6.
Ragweed, Western and
								Perennial
6.
Ambrosia psilostachya DC., (T.
								& G.) Farw.
7.
Rye, Medusahead
7.
Taeniatherum caput-medusae (L.)
								Nevski; Elymus caput-medusae (L.)
8.
Sumpweed, Poverty
8.
Iva axillaris Pursh
(3-15-22)
03.
Restricted Noxious Weed
				Tolerances
. (3-15-22)
a. Seven (7)
				seeds in fifty (50) grams of Agrotis species, Poa species, Rhodes grass,
				Bermudagrass, timothy, celery, and other agricultural or vegetable seeds of
				similar size and weight, within this group. (3-15-22)
b. Seven (7) seeds in each fifty (50) grams
				of Dallisgrass, ryegrass, fescue species, foxtail millets, alfalfa, red clover,
				sweetclover, lespedeza, bromegrass, Brassica species, carrot, onion, and other
				agricultural or vegetable seeds of similar size and weight or mixtures within
				this group, or mixtures of this group with those in group A.
				(3-15-22)
c. Seven (7) seeds in
				fifty (50) grams of alsike clover, white clover, and other agricultural or
				vegetable seeds of similar size and weight or mixtures within this group, with
				those in group A or group B. (3-15-22)
d. Eight (8) seeds in one hundred fifty (150)
				grams of Proso millet, Sudangrass, and seeds of similar size and weight, or
				mixtures of seed within this group. (3-15-22)
e. Forty-five (45) seeds in each pound for
				all wheatgrass species. (3-15-22)
f. Four (4) seeds in each five hundred (500)
				grams of wheat, oats, rye, barley, buckwheat, sorghums, vetches, field peas,
				and other seeds of a size and weight similar to or greater than those within
				this group, or any mixtures within this group. (3-15-22)
g. Containing more than one percent (1%) by
				weight of weed seeds including restricted noxious weed seeds referred to in
				Section 22-414(18)(b),
				Idaho Code, provided, that three percent (3%) of cheat, chess, or downy brome
				will be allowed in grass seed in which these weeds are found.
				(3-15-22)