Basionym Name:Sphaerophorus globiferus var. lacunosus Tuck., U.S. Expl. Exped. 1838-1842, 17. Bot. 1: 116 (1874)
Homotypic synonyms:Sphaerophorus coralloides var. lacunosus (Tuck.) Hue, Deux. Expéd. Antarct. Franç., 1908-10, Lichens: 18 (1915)Sphaerophorus globosus var. lacunosus (Tuck.) Vain., [as 'lacunosa'] Résult. Voy. Belgica, Lich.: 35 (1903)Sphaerophorus lacunosus (Tuck.) C.W. Dodge, Lich. Fl. Antarct. Cont. adjac. Isls (Canaan, N. Hamp.): 27 (1973)