Wyoming Designated Noxious Weeds
Ventenata Grass
Canada Thistle
Common Burdock
Common St. Johnswort
Common Tansy
Dalmatian Toadflax
Diffuse Knapweed
Dyer’s Woad
Field Bindweed
Houndstongue
Leafy Spurge
Musk Thistle
Oxeye Daisy
Perennial Pepperweed
Perennial Sowthistle
Plumeless Thistle
Purple Loosestrife
Quackgrass
Russian Knapweed
Russian Olive
Salt Cedar
Scotch Thistle
Skeletonleaf Bursage
Spotted Knapweed
Whitetop
Yellow Toadflax