Photo 94333715, (c) Grace Stark, some rights reserved (CC BY-NC), uploaded by Grace Stark

Attribution © Grace Stark some rights reserved Uploaded by grace_stark Source iNaturalist Associated observations Photos / Sounds What Tile Lichens (Genus Lecidea) Observer grace_stark Date August 2, 2020 02:27 PM PDT Place Mount Tamalpais State Park, Mill Valley, CA, US (Google, OSM) Date Added September 9, 2020 07:19 AM HST 1 ID Needs ID View Sizes small medium large original