Photo 69010725, (c) zaca, some rights reserved (CC BY-NC), uploaded by zaca

Attribution © zaca some rights reserved Uploaded by zaca Source BioDiversity4All Associated observations Photos / Sounds 7 photos What Boreal Button Lichen (Buellia disciformis) Observer zaca Date April 17, 2020 05:54 PM BST Place 1495 Cruz Quebrada, Portugal (Google, OSM) Date Added April 18, 2020 05:59 PM BST Description Growing on bark. 2 IDs Research Grade View Sizes small medium large original