Photo 4435279, (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young

Attribution © Alison Young some rights reserved Uploaded by kestrel Source iNaturalist Associated observations Photos / Sounds What Thatched Barnacle (Semibalanus cariosus) Observer kestrel Date August 3, 2016 06:15 AM PDT Place Sonoma Coast State Beach, Sonoma, California, United States (Google, OSM) Date Added August 3, 2016 12:38 PM PDT 2 IDs Research Grade View Associated taxa CC Thatched Barnacle (Semibalanus cariosus) Info Photo (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young CC Genus Semibalanus Info Photo (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young Sizes small medium large original