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Urban Tree Key / Leaves simple / Leaves alternate / Margin wavy / Pinnately veined / Oaks / Deciduous / Lobes round

Are the leaf margins shallowly lobed or deeply lobed?

Leaf margins smooth, toothed or shallowly lobed

Sinuses between lobes <1/2″
Upper surface of mature leaf bluish-green or gray-green

Leaf margins deeply lobed

Sinuses between lobes >1/2″
Upper surface of mature leaf dark green

Urban Forest Ecosystems Institute
NRES Department
California Polytechnic State University
San Luis Obispo, CA 93407

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