Flowering Plants of Tilden Regional Park

A guide to the common flowering plants (Magnoliophyta) of Tilden Nature Area and Tilden Regional Park.

If a species isn't on this guide, document it!

Pacific Poison Oak

Toxicodendron diversilobum, commonly named Pacific poison oak or western poison oak (syn. Rhus diversiloba), is in the Anacardiaceae family (the sumac family).

Edited by leftcoastnaturalist, some rights reserved (CC BY-SA)