Photo 14320803, (c) Rob Routledge, some rights reserved (CC BY-NC), uploaded by Rob Routledge

Attribution © Rob Routledge some rights reserved Uploaded by rroutledge Source iNaturalist Canada Associated observations Photos / Sounds 6 photos What Frosted Rock Tripe (Umbilicaria americana) Observer rroutledge Date March 14, 2018 04:21 PM EDT Place Sault Ste. Marie, ON, Canada (Google, OSM) Date Added March 20, 2018 05:02 PM EDT 3 IDs Research Grade View Sizes small medium large original