Photo 6185810, (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 Macoun's Wart Lichen (Pertusaria macounii) Observer jwalewski Date February 3, 2017 10:04 AM CST Place Lake, Minnesota, United States (Google, OSM) Date Added February 3, 2017 01:57 PM CST Description on Thuja 3 comments 1 ID Needs ID View Sizes small medium large original