Photo 1815798, (c) Zachary C. MacPhearson, some rights reserved (CC BY-NC), uploaded by Zachary C. MacPhearson

Attribution © Zachary C. MacPhearson some rights reserved Uploaded by zcmacphearson Source iNaturalist Associated observations Photos / Sounds What Pacific Poison Oak (Toxicodendron diversilobum) Observer zcmacphearson Date May 7, 2015 11:30 AM PDT Place 472 San Andreas Dr, Novato, CA, US (Google, OSM) Date Added May 7, 2015 06:34 PM HST 2 IDs Research Grade View Sizes small medium large original