Basionym Name:Gyrophora polyphylla f. coriacea Th. Fr., Lich. Scand. (Upsaliae) 1: 165 (1871)
Homotypic synonyms:Gyrophora polyphylla var. coriacea (Th. Fr.) Räsänen, Lich. Fenn. Exs.: no. 4 (1935)Umbilicaria polyphylla f. coriacea (Th. Fr.) Frey, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(4.1): 359 (1933)