Photo 6277429, (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis

Attribution © Rob Curtis some rights reserved Uploaded by rcurtis Source iNaturalist Associated observations Photos / Sounds 3 photos What Common Clam Lichen (Hypocenomyce scalaris) Observer rcurtis Date February 11, 2017 02:23 PM EST Place 6610 Waterloo Rd, Atwater, OH, US (Google, OSM) Date Added February 13, 2017 10:14 PM EST Tags Lichen 2 IDs Research Grade View Sizes small medium large original