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Napa County UCCE
University of California
Napa County UCCE

Weed ID Help

Read how to submit a weed ID sample.

The University of California Davis Weed Research and Information Center is full of weed related material including a weed/herbicide susceptablity chart.

The UC IPM Weed Photo Gallery includes many, but not all, weed species commonly found in California farms and landscapes.

Webmaster Email: cenapa@ucanr.edu