Healthy Lawns—Weed Key, Broadleaves, Upper leaf surface is smooth or hairy

The UC Guide to Healthy Lawns

From "stems are rounded or angled, but not square"

Select the illustration that best matches your weed sample.

Upper leaf surface smooth or mostly hairless

Upper leaf surface hairy or rough

Statewide IPM Program, Agriculture and Natural Resources, University of California
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How to Manage Pests

The UC Guide to Healthy Lawns

From "stems are rounded or angled, but not square"