Photo 107291041, (c) Carl-Adam Wegenschimmel, some rights reserved (CC BY-NC), uploaded by Carl-Adam Wegenschimmel

Attribution © Carl-Adam Wegenschimmel some rights reserved Uploaded by carl-adam Source iNaturalist Canada Associated observations Photos / Sounds 3 photos What Wart Lichens (Genus Verrucaria) Observer carl-adam Date December 2020 Place Private Date Added December 13, 2020 05:13 PM EST Description 25X7.5um. on shale. Spores appear elongated. Perthicia partially immersed in thallus. 1 ID Needs ID View Sizes small medium large original