Basionym Name:Thelotrema albidum Nyl., Acta Soc. Sci. fenn. 7(2): 451 (1863)
Homotypic synonyms:Chapsa albida (Nyl.) Lücking & Sipman, in Rivas Plata, Lücking, Sipman, Mangold, Kalb & Lumbsch, Lichenologist 42(2): 182 (2010)Ocellularia albida (Nyl.) Zahlbr., Cat. Lich. Univers. 2: 582 (1923)