Arthothelium macounii (G. Merr.) W.J. Noble
Source: Frisch, A., Klepsland, J., Palice, Z., Bendiksby, M., Tønsberg, T. & Holien, H. 2020. New and noteworthy lichens and lichenicolous fungi from Norway. Graphis Scripta 32 (1): 1–47. Oslo. ISSN 2002-4495. - CC BY-4.0
Arthothelium macounii (Jordal & Gaarder, BG-L-96711). Scale = 1 mm. Photo: A. Frisch
