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Noxious Weeds

To view fact sheets on these noxious weeds, visit the Weed ID page of the Teton County Weed & Pest website.

Declared/Designated List 2015

State of Wyoming Designated List

  1. Field bindweed
  2. Canada thistle
  3. Leafy spurge
  4. Perennial sowthistle
  5. Quackgrass
  6. Hoary cress (white top)
  7. Perennial pepperweed
  8. Oxeye daisy
  9. Skeletonleaf bursage
  10. Russian knapweed
  11. Yellow toadflax
  12. Dalmation toadflax
  13. Scotch thistle
  14. Musk thistle
  15. Common burdock
  16. Plumeless thistle
  17. Dyers woad
  18. Houndstongue
  19. Spotted knapweed
  20. Diffuse knapweed
  21. Purple loosestrife
  22. Saltcedar
  23. Common Tansy
  24. Common St. Johnswort
  25. Russian Olive
  26. Black Henbane

Teton County Declared Weed List

  1. Austrian Fieldcress
  2. Baby's Breath
  3. Bull Thistle
  4. Cheatgrass
  5. Common Mullein
  6. Dames Rocket
  7. Field Scabious
  8. Hawkweed, Orange
  9. Hawkweed, Meadow
  10. Hoary Alyssum
  11. Squarrose Knapweed
  12. Myrtle Spurge
  13. Common Teasel
  14. Absinth wormwood
  15. Rush Skeletonweed
  16. Meadow Knapweed
  17. Cypress Spurge
  18. Sulfur Cinquefoil
  19. Yellow Starthistle
  20. Scentless Chamomile
  21. Eurasian watermilfoil
  22. Tall Buttercup
  23. Baby's breath
  24. Yellow Flag Iris
  25. Poison Hemlock
  26. Cheatgrass
  27. Water hyacinth
  28. Curley-leaf pondweed