Noxious Species

Noxious Species of Wyoming and Campbell County
  Designated WY Noxious Weeds  
 Field Bindweed Canada Thistle  Leafy Spurge 
 Perennial Sowthistle Quackgrass  Hoary Cress (Whitetop) 
 Perennial Pepperweed Ox-eye Daisy  Skeletonleaf Bursage 
 Russian Knapweed Yellow toadflax  Dalmatian Toadflax 
 Scotch Thistle Musk Thistle  Common Burdock 
 Plumeless Thistle Dyers Woad  Houndstongue 
 Spotted Knapweed Diffuse Knapweed  Purple Loosestrife 
 Saltcedar Common St. Johnswort  Common Tansy 
 Russian Olive  Black Henbane  

  Designated WY Noxious Pests  
 Grasshopper Mormon Cricket  Prairie Dogs 
 Ground Squirrels Mountain Pine Beetle  Beet Leafhopper 

 Campbell County Declared Noxious Weeds and Pests
 Buffalobur Common Cocklebur 
Poison Hemlock  Jointed Goatgrass