Photo 12367077, (c) Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker

Attribution © Samuel Brinker some rights reserved Uploaded by samuelbrinker Source iNaturalist Canada Associated observations Photos / Sounds 3 photos What Arctic Rocktripe Lichen (Umbilicaria arctica) Observer samuelbrinker Date July 2017 Place Thunder Bay, CA-ON, CA (Google, OSM) Date Added December 13, 2017 03:18 PM EST Description Lower surface with black centre, pale outer. 2 IDs Research Grade View Associated taxa CC Arctic Rocktripe Lichen (Umbilicaria arctica) Info Photo (c) Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker Sizes small medium large original