The Field Guides were created to help with identification of various noxious weeds when you are in the field. Specific control measures for each of these weeds can be found next to their picture on the corresponding weed list. If you have additional questions or concerns please feel free to call us at 970-304-6496 ext. 3770 or email us through the Contact page.

Field Guide to Thistles

Field Guide to Knapweed Toadflax Spurge

For more information on the various noxious weeds visit:

• Weed List A
• Weed List B
• Weed List C