Photo 6555277, (c) Joe Walewski, some rights reserved (CC BY-NC), uploaded by Joe Walewski

Attribution © Joe Walewski some rights reserved Uploaded by jwalewski Source iNaturalist Associated observations Photos / Sounds What Peppered Rock Tripe (Umbilicaria deusta) Observer jwalewski Date March 13, 2017 12:32 AM CDT Place Lake County, MN, USA (Google, OSM) Date Added March 13, 2017 08:09 AM CDT 1 comment 2 IDs Research Grade View Sizes small medium large original