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Noxious Weeds
by State

Recognized in the Administration of the Federal Seed Act- Prohibited and/or Primary 1999

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LA  MA  MD  ME  MI  MN  MO  MS  MT  NC  ND  NE  NH  NJ  NM  NV  NY
OH  OR  PA  RI  SC  SD  TN  TX  UT  VA  VT  WA  WI  WV  WY

State Common Name Botanical Name
TEBalloonvine Cardiospermum halicacabum
Bindweed, field Convolvulus arvensis
Bindweed, hedge Convolvulus sepium
Crotalaria Crotalaria spectabilis
Itchgrass Rottboellia exaltata
Nutgrass Cyperus rotundus
Cyperus esculentus
Sicklepod Cassia obtusifolia
Sorghum almum Sorghum almum
Thistle, Canada Cirsium arvense
TXBalloonvine Cardiospermum halicacabum
Bindweed, field Convolvulus arvensis
Bindweed, hedge Convolvulus sepium
Castor Ricinus communis
Cocklebur Xanthium spp.
Itchgrass Rottboellia exaltata
Nutsedge Cyperus rotundus
Cyperus esculentus
Nutsedge tubers Cyperus spp.
Tropical soda apple Solanum viarum
Tussock, serrated Nassella trichotoma
UTBermudagrass Cynodon dactylon
(except Washington County)
Bindweed (wild morningglory) Convolvulus spp.
Knapweed, diffuse Centaurea diffusa
Knapweed, Russian Centaurea repens (syn.)
Knapweed, spotted Centaurea maculosa
Knapweed, squarrose Centaurea squarrosa
Medusahead Taeniatherum caput-medusae (syn.)
Peppergrass, Broad-leaved
Tall whitetop
Lepidium latifolium
Quackgrass Agropyron repens
Sorghum spp. Sorghum spp.
Spurge, leafy Euphorbia esula
Starthistle, yellow Centaurea solstitialis
Thistle, Canada Cirsium arvense
Thistle, musk Carduus nutans
Thistle, Scotch (Cotton thistle) Onopordum acanthium
Whitetop Cardaria spp.
Woad, dyers Isatis tinctoria
VTBedstraw Galium spp.
Bindweed, field Convolvulus arvensis
Quackgrass Agropyron repens
Thistle, Canada Cirsium arvense
Tussock, serrated Nassella trichotoma
Velvetleaf Abutilon theophrasti
VABalloonvine Cardiospermum halicacabum
Bindweed, field Convolvulus arvensis
Johnsongrass, Sorgrass, Sorghum X Almum & hybrids Sorghum spp. perennial
Quackgrass Elytrigia repens
Sicklepod Senna obtusifolia
Thistle, Canada Cirsium arvense
Thistle, plumeless, musk, and curled Carduus spp.
Tussock, serrated Nassella trichotoma
State Common Name Botanical Name
WABindweed, field Convolvulus arvensis
Bindweed, hedge Convolvulus sepium
Bladder campion (only in timothy- Phleum pratense) Silene cucubalus (syn.)
Camelthorn Alhagi camelorum
Cockle, white (only in timothy- Phleum pratense) Lychnis alba (syn.)
Fieldcress, Austrian Rorippa austriaca
Goatgrass, jointed (only in small grain) Aegilops cylindrica
Hoary cress Cardaria draba
Knapweed complex:
bighead knapweed
Vochin knapweed
black knapweed
brown knapweed
diffuse knapweed
meadow knapweed
Russian knapweed
spotted knapweed
purple starthistle
Centaruea spp.
C. macrocephala
C. nigrescens
C. nigra
C. jacea
C. diffusa
C. jacea x nigra
C. repens (syn.)
C. maculosa
C. calcitrapa
Lepyrodiclis Lepyrodiclis holsteoides
Nightshade, silverleaf Solanum elaeagnifolium
Pepperweed, perennial Lepidium latifolium
Quackgrass Agropyron repens
Ragwort, tansy Senecio jacobaea
Skeletonweed, yellow-flowering Chondrilla juncea
Sorghum, perennial Sorghum spp.
Sowthistle, perennial Sonchus arvensis
Spurge, leafy Euphorbia esula
Thistle, Canada Cirsium arvense
Tussock, serrated Nassella trichotoma
Velvetleaf Abutilon theophrasti
Whitetop, hairy Cardaria pubescens
WIBindweed, field Convolvulus arvensis
Quackgrass Agropyron repens
Spurge, leafy Euphorbia esula
Thistle, Canada Cirsium arvense
WVJohnsongrass Sorghum halepense
Quackgrass Agropyron repens
Sowthistle, perennial Sonchus arvensis
Thistle, Canada Carduus arvensis
Tussock, serrated Nassella trichotoma
WYBindweed, field Convolvulus arvensis
Burdock, common Arctium minus
Bursage, skeletonleaf Franseria discolor
Cress, hoary Cardaria draba
Daisy, oxeye Chrysanthemum leucanthemum
Houndstongue Cynoglossum officiale
Knapweed, Russian Centaurea repens (syn.)
Pepperweed, perennial Lepidium latifolium
Quackgrass Agropyron repens
Sowthistle, perennial Sonchus arvensis
Spurge, leafy Euphorbia esula
Thistle, Canada Cirsium arvense
Thistle, musk Carduus nutans
Thistle, plumeless Carduus acanthoides
Thistle, Scotch Onopordum acanthium
Toadflax, Dalmation Linaria dalmatica (syn.)
Toadflax, yellow Linaria vulgaris
Woad, dyers Isatis tinctoria


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