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  2. Departments
  3. Departments K - Z
  4. Public Works
  5. Land Management
  6. Noxious Weed Information
  7. Weed Species with Descriptions

Weed Species


    1. Section Overview (PDF)
    2. Absinthe Wormwood (PDF)
    3. Black Henbane (PDF
    4. Bull Thistle (PDF)
    5. Canada Thistle (PDF)
    6. Chicory (PDF)
    7. Chinese Clematis (PDF)
    8. Common Burdock (PDF)
    9. Common Mullein (PDF)
    10. Common Tansy (PDF)
    11. Cypress Spurge (PDF)
    12. Dalmatian Toadflax (PDF)
    13. Dame's Rocket (PDF)
    14. Diffuse Knapweed (PDF)
    15. Downy Brome (PDF)
    16. Field Bindweed (PDF)
    17. Hoary Alyssum (PDF)
    18. Hoary Cress / Whitetop (PDF)
    19. Houndstongue (PDF)
    20. Leafy Spurge (PDF)
    21. Meadow Knapweed (PDF)
    22. Musk Thistle (PDF)
    23. Myrtle Spurge (PDF)
    24. Oxeye Daisy (PDF)
    25. Perennial Pepperweed (PDF)
    26. Plumeless Thistle (PDF)
    27. Poison Hemlock (PDF)
    28. Russian Knapweed (PDF)
    29. Russian Olive (PDF)
    30. Salt Cedar / Tamarisk (PDF)
    31. Scentless Chamomile (PDF)
    32. Scotch Thistle (PDF)
    33. Spotted Knapweed (PDF)
    34. Sulfur Cinquefoil (PDF)
    35. Wild Caraway (PDF) 
    36. Yellow Toadflax (PDF)
  1. Weed Advisory Board
  2. Herbicide Information
  3. Printed Materials
  4. Weed Management Plan
  5. Weed Species with Descriptions
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Contact Us

  1. County Administration Office
    530 East Main Street
    Aspen, CO 81611
    Phone: 970-920-5200

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Quick Links

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