Photo 6461766, (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda

Attribution © Ken-ichi Ueda some rights reserved Uploaded by kueda Source iNaturalist Associated observations Photos / Sounds What Pacific Poison Oak (Toxicodendron diversilobum) Observer kueda Date March 4, 2017 12:33 PM PST Place Knowland Park, Oakland, Alameda County, CA, USA (Google, OSM) Date Added March 4, 2017 10:52 PM PST Tags Knowland Park, Toxicodendron diversilobum, flowering phenology=budding 3 IDs Research Grade View Sizes small medium large original