Basionym Name:Parmelia pubescens f. biformis Vain., Résult. Voy. Belgica, Lich.: 14 (1903)
Homotypic synonyms:Alectoria biformis (Vain.) C.W. Dodge, Lich. Fl. Antarct. Cont. adjac. Isls (Canaan, N. Hamp.): 219 (1973)Alectoria minuscula f. biformis (Vain.) I.M. Lamb, Lilloa 14: 243 (1948)