• Contact FCWP

  • Lander Office 307-332-1052
  • Lander Shop 307-332-3709
  • Riverton Office and Shop 307-856-2192
  • Dubois 307-240-0710
  • fcwp@wyoming.com

FCWP provides weed and pest management services to the residents of Fremont County, Wyoming, by applying integrated pest management practices that consider the environment, the economy and the well-being of our resources.

Weed I.D.

Designated and Declared Noxious Weeds

Noxious weeds are invasive plants that outcompete native vegetation and desirable forage, causing environmental or economic harm. Wyoming has 30 species of Designated Noxious Weeds and Fremont County has five county Declared Noxious Weeds. These legal designations give county weed and pest districts the authority use public funding to manage these species. Click on the photos below to learn more about each species.

State of Wyoming Designated Noxious Weeds

Black HenbaneCanada ThistleCommon Burdock Common Mullein


Common St. JohnswortCommon Tansy Dalmatian Toadflax Diffuse Knapweed


Dyer's WoadField Bindweed Houndstongue Leafy Spurge


MedusaheadMusk Thistle Oxeye Daisy Perennial Pepperweed


   
Perennial Sowthistle Plumeless Thistle   Purple Loosestrife   Quackgrass


Russian Knapweed Russian Olive Saltcedar Scotch Thistle


 
Skeletonleaf Bursage Spotted Knapweed   Ventenata


Whitetop Yellow Starthistle Yellow Toadflax


Fremont County Declared Noxious Weeds


Baby's BreathCheatgrass Dame's Rocket


   
Puncturevine     Swainsonpea Sulfur Cinquefoil Tall Buttercup

Watch List Weeds

Most species on the FCWP Watch List have not been detected in Fremont County, but are likely to arrive from nearby states or counties. Although not state designated or county declared, these species present a potential threat to our rangelands and wildlife habitats.

   
Austrian Fieldcress   Common Teasel 


Field Scabious Invasive Hawkweeds


Rush Skeletonweed Palmer Amaranth



 
  Yellowflag Iris

Weed information from Weeds of the West, www.invasive.org and Fremont County Weed and Pest.

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