Basionym Name:Opegrapha microscopica Sm., in Smith & Sowerby, Engl. Bot. 27: [1911] (1808)
Homotypic synonyms:Arthonia epipasta b microscopica (Sm.) Arnold, Flora, Regensburg 44(43): 674 (1861)Arthonia microscopica (Sm.) Wallr., Fl. crypt. Germ. (Norimbergae) 1: 322 (1831)Arthonia populina f. microscopica (Sm.) Arnold, Flora, Regensburg 67(34): 649 (1884)Opegrapha epipasta var. microscopica (Sm.) Ach., Syn. meth. lich. (Lund): 75 (1814)