Weeds of the West, Whitson et al. - One of the most extensively read weed identification books published, with life cycles and identification characteristics of more than 350 species considered weedy across the western U.S.
Aquatic and Riparian Weeds of the West, Joe Ditomaso - Offers life cycles and identification characteristics of aquatic and riparian weeds.
Aquatic Nuisance Species Pocket Guide, Colorado Department of Agriculture and Colorado Parks and Wildlife
Biological Control of Invasive Plants in the United States, Eric Coombs - Reviews biological control agents and effectiveness for management of noxious weeds. Includes techniques for release, identification of agents and symptoms, monitoring and geographical range.
Biological Control of Noxious Weeds in Colorado, Colorado Department of Agriculture - Provides information on the Palisade Insectary, use of biological control agents and how to get them from the insectary.
Biology and Management of Noxious Rangeland Weeds, Roger Sheley - Describes the most important noxious weed species in the western U.S. and various methods of management.
Fundamentals of Weed Science, Robert L. Zimdahl - A comprehensive textbook for understanding all concepts of weed science.
Garden Smart Colorado, Colorado Weed Management Association - Highlights native and non-invasive alternatives to some ornamental noxious weeds. View the booklet.
Invasive Plants of Range and Wildlands and Their Environmental, Economic, and Societal Impacts, Celestine Duncan - Summarizes scientific literature regarding economic, environmental and societal losses to range and wildlands caused by 16 key invasive plants in the U.S.
Noxious Weeds of Colorado, Colorado Weed Management Association - Spiral-bound, 220-page book featuring photos and descriptions of Colorado's noxious weeds.
Weeds of the Great Plains, James Stubbendeck, Mitchell Coffen, L.M. Landholt - Offers descriptions and pictures of weeds from the Great Plains.