Photo 257530, (c) Liying, some rights reserved (CC BY-NC), uploaded by Liying

Attribution © Liying some rights reserved Uploaded by liyingtan Source iNaturalist Associated observations Photos / Sounds What Pacific Poison Oak (Toxicodendron diversilobum) Observer liyingtan Date February 20, 2013 Place Stonewall Panoramic Trail (Google, OSM) Date Added February 21, 2013 06:51 PM PST Description Flat, oblong leaves; turning red 2 IDs Research Grade View Sizes small medium large original