Basionym Name:Lecidea fraterculans Nyl., Flora, Regensburg 58(1): 11 (1875)
Homotypic synonyms:Bacidia trisepta f. fraterculans (Nyl.) Zahlbr., Cat. Lich. Univers. 4: 159 (1926)Bilimbia fraterculans (Nyl.) Blomb. & Forssell, Enum. Pl. Scand.: 82 (1880)Bilimbia trisepta f. fraterculans (Nyl.) Vain., Acta Soc. Fauna Flora fenn. 53(no. 1): 257 (1922)Lecidea ternaria f. fraterculans (Nyl.) Nyl., in Brenner, Meddn Soc. Fauna Flora fenn. 13: 9 (1886)