There are various resources available to help you identify noxious weeds and develop a weed management plan. The Pitkin County Land Management Office has a variety of publications available for you to pick up if you would like a hard-copy.
Many resources are available on the web:
Land Management staff are also happy to visit your property and help you identify plants in person. Contact the office at 970-920-5214 or email Melissa Sever.
In the summer, the Pitkin County Weed Advisory Board leads several weed ID tours throughout Pitkin County. In the winter, they often host indoor plant seminars at local venues.