Photo 57519431, (c) Tom Walker, some rights reserved (CC BY-NC), uploaded by Tom Walker

Attribution © Tom Walker some rights reserved Uploaded by agave6_tomwalker Source iNaturalist Associated observations Photos / Sounds 2 photos What Common Clam Lichen (Hypocenomyce scalaris) Observer agave6_tomwalker Date December 5, 2019 02:46 PM EST Place Truro, MA, USA (Google, OSM) Date Added December 5, 2019 05:39 PM EST Description C+ red; on PInus rigida 2 IDs Research Grade View Sizes small medium large original