Photo 57536736, (c) troy_mcmullin, some rights reserved (CC BY-NC), uploaded by troy_mcmullin

Attribution © troy_mcmullin some rights reserved Uploaded by troy_mcmullin Source iNaturalist Associated observations Photos / Sounds What Smooth Rock Tripe (Umbilicaria mammulata) Observer troy_mcmullin Date April 28, 2018 12:06 PM EDT Place Garrett County, MD, USA (Google, OSM) Date Added December 6, 2019 03:49 AM EST 5 IDs Research Grade View Sizes small medium large original Copyright