How to Manage Pests

Identification: Weed Photo Gallery

The UC IPM Weed Photo Gallery includes many, but not all, weed species commonly found in California farms and landscapes. Additional species will be added over time. Acknowledgments.

Weeds fall into one of four categsories. Choose a gallery below, or skip to a list of ALL WEEDS. See also, key to weeds in turf and landscapes.

Broadleaf gallery

Leaves are wide, veins branch out in different directions. tutorial

Grass gallery

Leaves are narrow, arranged in sets of two; stems are rounded or flattened. tutorial

Sedge gallery

Leaves are narrow, arranged in sets of three; stems are triangular in cross section. tutorial

Aquatic gallery

Plants that grow in water for at least part of their life cycle.

More information

Key to weeds in turf and landscapes
Research related to weeds
UC WRIC's weed identification tool—a technical key to identify CA weeds

Top of page

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See How to manage pests, or in the U.S., contact your local Cooperative Extension office for assistance. /PMG/weeds_intro.html revised: November 6, 2009. Contact webmaster.