Weed photo gallery
The UC IPM Weed Photo Gallery includes many, but not all, weed species commonly found in California farms and landscapes.
Choose a category below or skip to a LIST OF ALL WEEDS.
Identify your weeds
Leaves are wide, veins branch out in different directions.
Leaves are narrow, arranged in sets of two; stems are rounded or flattened.
Leaves are narrow, arranged in sets of three; stems are triangular in cross section.
Plants that grow in water for at least part of their life cycle.
- Key to weeds in turf and landscapes
- Weed identification
A technical key to identifying weeds, from the UC Weed Research and Information Center
- UC WRIC online education programs
Videos on weed identification and management, from the UC Weed Research and Information Center
- Research related to weeds