Urban Tree Key
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Urban Tree Key / Leaves simple / Opposite or Whorled / Opposite / <6″ wide / Pinnately veined / Eucalypts / Bark rough / Leaves green / Same underside / >3/4″ wide

Bark gray, finely furrowed; all stamens with anthers………. Eucalyptus rudis

Bark dark brown to black, very rough and deeply furrowed; some stamens without
anthers……….Eucalyptus sideroxylon

Eucalyptus rudis

Flooded gum

Eucalyptus sideroxylon

Red Iron Bark

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

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