Basionym Name:Lecanora pharcidia Ach., Syn. meth. lich. (Lund): 147 (1814)
Homotypic synonyms:Buellia alboatra subvar. pharcidia (Ach.) Boistel, Nouv. Fl. Lich. (Paris) 2: 231 (1903)Buellia pharcidia (Ach.) Malme, Svensk bot. Tidskr. 4(4): 163 (1910)Diplotomma athroum var. pharcidia (Ach.) Stein, in Cohn, Krypt.-Fl. Schlesien (Breslau) 2(2): 215 (1879)Diplotomma athroum var. pharcidium (Ach.) Stein, Krypt.-Fl. Schlesien (Breslau) 2(2): 215 (1879)Diplotomma pharcidium (Ach.) M. Choisy, Bull. mens. Soc. linn. Soc. Bot. Lyon 19(7): 156 (1950)Lecanora sophodes var. pharcidia (Ach.) Grognot, Pl. crypt.-cellul. Saône-et-Loire: 60 (1863)Lecidea alboatra var. pharcidia (Ach.) Lamy, Bull. Soc. bot. Fr. 25(5): 471 (1880)