Weed Research and Information Center
weed varieties
The Weed Research and Information Center is an interdisciplinary collaboration that fosters research in weed management and facilitates distribution of associated knowledge for the benefit of agriculture and for the preservation of natural resources.
What's New
Weed Control in Natural Areas in the Western United States
Weed Control in Natural Areas in the Western U.S.
Available at
.::. UCCE Central Sierra offices (Amador, Calaveras, El Dorado, and Tuolumne Counties)
.::. Calif. Invasive Plant Council (CA sales only)
.::. Western Society of Weed Science (western U.S. states and Canada sales)
.::. UC ANR Publications (UC ANR Publ. 3547)
 Calendar

herbicide symptoms

Susceptibility chart

Weed control

Weed ID tool

Online Education Program

Weed Science Blog