Photo 1814579, (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 2 photos What Blue Elder (Sambucus cerulea) Observer zcmacphearson Date May 7, 2015 01:21 PM PDT Place 98–998 Wilson Hill Rd, Petaluma, CA, US (Google, OSM) Date Added May 7, 2015 11:41 AM HST 3 IDs Research Grade View Sizes small medium large original