State Designated Species

The species listed below are listed in Wyoming Statute - specific statutes are listed below. There are cost-share programs available for controlling any of the following species. 

Click below or more information on the cost-share programs.

State Designated Noxious Weeds

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W.S. 11-5-102 (xi)

 "Designated noxious weed" means plant species having seeds or other plant parts determined to be detrimental to the general health or welfare of the state based upon the following: 

(A) Has demonstrated the ability to aggressively invade native plant communities and agricultural crops; 

(B) Is injurious or poisonous to livestock; 

(C) Is a carrier of disease or parasites; 

(D) Can, by virtue of either direct or indirect effect, negatively impact management of agricultural or natural ecosystems. 

Noxious Weed List

Field Bindweed

Field Bindweed

Field Bindweed

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Canada Thistle

Field Bindweed

Field Bindweed

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Leafy Spurge

Field Bindweed

Perennial Sowthistle

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Perennial Sowthistle

Hoary Cress (whitetop

Perennial Sowthistle

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Quackgrass

Hoary Cress (whitetop

Hoary Cress (whitetop

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Hoary Cress (whitetop

Hoary Cress (whitetop

Hoary Cress (whitetop

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Perennial Pepperweed

Perennial Pepperweed

Perennial Pepperweed

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Oxeye Daisy

Perennial Pepperweed

Perennial Pepperweed

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Skeletonleaf Bursage

Perennial Pepperweed

Skeletonleaf Bursage

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Houndstongue

Yellow Toadflax

Skeletonleaf Bursage

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Yellow Toadflax

Yellow Toadflax

Yellow Toadflax

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Dalmatian Toadflax

Dalmatian Toadflax

Dalmatian Toadflax

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Scotch Thistle

Dalmatian Toadflax

Dalmatian Toadflax

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Musk Thistle

Dalmatian Toadflax

Common Burdock

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Common Burdock

Plumeless Thistle

Common Burdock

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Plumeless Thistle

Plumeless Thistle

Plumeless Thistle

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Dyers Woad

Plumeless Thistle

Plumeless Thistle

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Russian Knapweed

Russian Knapweed

Russian Knapweed

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Spotted Knapweed

Russian Knapweed

Russian Knapweed

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Diffuse Knapweed

Russian Knapweed

Purple Loosestrife

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Purple Loosestrife

Common St. Johnswort

Purple Loosestrife

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Saltcedar

Common St. Johnswort

Common St. Johnswort

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Common St. Johnswort

Common St. Johnswort

Common St. Johnswort

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Common Tansy

Russian Olive

Russian Olive

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Russian Olive

Russian Olive

Russian Olive

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Black Henbane

Russian Olive

Common Mullein

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Common Mullein

Yellow Starthistle

Common Mullein

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Yellow Starthistle

Yellow Starthistle

Yellow Starthistle

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Ventenata

Yellow Starthistle

Yellow Starthistle

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Medusahead Rye

Medusahead Rye

Medusahead Rye

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State Designated Pests

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W.S. 11-5-102 (xii)

 

Any animal or insect species that is determined to be detrimental to the health or general welfare of the state based upon the following: 

(A) Has demonstrated the ability to aggressively invade native plant communities and agricultural crops; 

(B) Is injurious or poisonous to livestock; 

(C) Is a carrier of disease or parasites; 

(D) Can, by virtue of either its direct or indirect effect, negatively impact management of agricultural or natural ecosystems. 

List of Pests

Grasshoppers

Mormon Crickets

Mormon Crickets

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Suborder Caelifera

Mormon Crickets

Mormon Crickets

Mormon Crickets

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Anabrus simples

Prairie Dogs

Mormon Crickets

Ground Squirrels

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Genus Cynomys

Ground Squirrels

Mountain Pine Beetle

Ground Squirrels

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Family Sciuridae

Mountain Pine Beetle

Mountain Pine Beetle

Mountain Pine Beetle

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Dendroctonus ponderosae

Beet Leafhopper

Mountain Pine Beetle

Mountain Pine Beetle

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Circulifer tenelius