Basionym Name:Gasparrinia siplei C.W. Dodge & G.E. Baker, Ann. Mo. bot. Gdn 25: 624 (1938)
Homotypic synonyms:Caloplaca siplei (C.W. Dodge & G.E. Baker) Cretz., Bull. Grăd. Bot. Muz. Bot. Univ. Cluji 21: 140 (1941)Xanthoria siplei (C.W. Dodge & G.E. Baker) C.W. Dodge, Lich. Fl. Antarct. Cont. adjac. Isls (Canaan, N. Hamp.): 274 (1973)