Photo 78836, (c) Chris Cook, some rights reserved (CC BY-NC), uploaded by Chris Cook

Attribution © Chris Cook some rights reserved Uploaded by greenrosettas Source iNaturalist Associated observations Photos / Sounds What Pacific Acorn Barnacle (Balanus glandula) Observer greenrosettas Date January 25, 2012 Place Oakland, CA, US (Google, OSM) Date Added January 27, 2012 04:35 PM PST Description Next to the KTVU television station. 3 IDs Research Grade View Sizes small medium large original