Noxious Weeds

Wyoming Weed & Pest Designated Weed List

Field bindweed

Field bindweed

Leafy spurge

Leafy spurge

Perennial sowthistle

Perennial sowthistle

Quackgrass

Quackgrass

hoary cress

Hoary cress (whitetop)

Perennial pepperweed (Giant Whitetop)

Perennial pepperweed (Giant Whitetop)

Oxeye

Ox-eye daisy

bursage

Skeletonleaf bursage

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Russian knapweed

Yellow toadflax

Yellow toadflax

Dalmation toadflax

Dalmation toadflax

Scotch thistle

Scotch thistle

Musk thistle

Musk thistle

Common burdock

Common burdock

Dyers woad

Dyers woad

Houndstongue

Houndstongue

spotted knapweed, noxious weed

Spotted knapweed

plumeless thistle

Plumless thistle

Diffuse knapweed

Diffuse knapweed

Canada thistle

Canada thistle

Purple loosestrife

Purple loosestrife

Common St. Johnwort

Common St. Johnwort

Saltcedar

Saltcedar

Common tansy

Common tansy

Russian Olive

Russian olive

Black henbane

Black henbane

Sublette County Declared Weed List

Scentless chamomile

Scentless chamomile

western water hemlock, noxious weeds

Western water hemlock

Field scabious

Field scabious

Austrian fieldcress

Austrian fieldcress

Cheatgrass

Cheatgrass

Hoary alyssum

Hoary alyssum