Healthy Lawns—Weed Key, Broadleaves, Leaves are compound or simple

The UC Guide to Healthy Lawns

From "one leaf per node"

Select the illustration that best matches your weed sample.

Leaves are compound (leaf blade with 2 or more distinct leaflets)

Leaves are simple (leaf blade is all one piece but may be deeply lobed, divided, or deeply dissected)

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 "one leaf per node"