Photo 893405, (c) Tim Herron, some rights reserved (CC BY-NC), uploaded by Tim Herron

Attribution © Tim Herron some rights reserved Uploaded by tim4 Source iNaturalist Associated observations Photos / Sounds What Crusty Gold-dust Lichen (Chrysothrix granulosa) Observer tim4 Date June 1, 2014 10:10 AM PDT Place Knowland Park, Oakland, CA (Google, OSM) Date Added June 1, 2014 02:42 PM PDT Description Very common on many of the oak trees. 2 IDs Research Grade View Sizes small medium large original