Crook County Weeds

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Crook County Weeds

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    • State Designated Species
    • County Declared Species
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    • Home
    • News
    • Programs
    • Weeds
      • State Designated Species
      • County Declared Species
    • Tools and Resources
      • Calibration Tools
      • Resources
      • Videos
  • Home
  • News
  • Programs
  • Weeds
    • State Designated Species
    • County Declared Species
  • Tools and Resources
    • Calibration Tools
    • Resources
    • Videos

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.

Cost-Share Programs

State Designated Noxious Weeds

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

Convulvus arvensis

Canada Thistle

Field Bindweed

Field Bindweed

Circium arvense

Leafy Spurge

Field Bindweed

Perennial Sowthistle

Euphorbia esula

Perennial Sowthistle

Hoary Cress (whitetop

Perennial Sowthistle

Sonchus arvensis

Quackgrass

Hoary Cress (whitetop

Hoary Cress (whitetop

Agropyron repens

Hoary Cress (whitetop

Hoary Cress (whitetop

Hoary Cress (whitetop

Cardaria draba & Cardaria pubescens

Perennial Pepperweed

Perennial Pepperweed

Perennial Pepperweed

Lepidium latifolium

Oxeye Daisy

Perennial Pepperweed

Perennial Pepperweed

Chrysanthemum vulgare

Skeletonleaf Bursage

Perennial Pepperweed

Skeletonleaf Bursage

Franseria discolor

Houndstongue

Yellow Toadflax

Skeletonleaf Bursage

Cynoglossum officinale

Yellow Toadflax

Yellow Toadflax

Yellow Toadflax

Linaria vulgaris

Dalmatian Toadflax

Dalmatian Toadflax

Dalmatian Toadflax

Linaria dalmatica

Scotch Thistle

Dalmatian Toadflax

Dalmatian Toadflax

Onopordum acanthium

Musk Thistle

Dalmatian Toadflax

Common Burdock

Carduus nutans

Common Burdock

Plumeless Thistle

Common Burdock

Articum minus

Plumeless Thistle

Plumeless Thistle

Plumeless Thistle

Carduus acanthoides

Dyers Woad

Plumeless Thistle

Plumeless Thistle

Isatis tinctoria

Russian Knapweed

Russian Knapweed

Russian Knapweed

 Centaurea repens 

Spotted Knapweed

Russian Knapweed

Russian Knapweed

Centaurea maculosa

Diffuse Knapweed

Russian Knapweed

Purple Loosestrife

Centaurea diffusa

Purple Loosestrife

Common St. Johnswort

Purple Loosestrife

Lythrum salicaria

Saltcedar

Common St. Johnswort

Common St. Johnswort

Tamarix spp.

Common St. Johnswort

Common St. Johnswort

Common St. Johnswort

Hypericum perforatum

Common Tansy

Russian Olive

Russian Olive

Tanacetum vulgare

Russian Olive

Russian Olive

Russian Olive

Elaeagnus angustifolia

Black Henbane

Russian Olive

Common Mullein

Hyoscamus niger

Common Mullein

Yellow Starthistle

Common Mullein

Verbascum thapsus

Yellow Starthistle

Yellow Starthistle

Yellow Starthistle

Centaurea solstitialis

Ventenata

Yellow Starthistle

Yellow Starthistle

Ventenata dubia

Medusahead Rye

Medusahead Rye

Medusahead Rye

Taeniatherum caput-medusae

State Designated Pests

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

Suborder Caelifera

Mormon Crickets

Mormon Crickets

Mormon Crickets

Anabrus simples

Prairie Dogs

Mormon Crickets

Ground Squirrels

Genus Cynomys

Ground Squirrels

Mountain Pine Beetle

Ground Squirrels

Family Sciuridae

Mountain Pine Beetle

Mountain Pine Beetle

Mountain Pine Beetle

Dendroctonus ponderosae

Beet Leafhopper

Mountain Pine Beetle

Mountain Pine Beetle

Circulifer tenelius

Copyright © 2020 Crook County Weeds - All Rights Reserved.


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