Basionym Name:Parmelia perisidians Nyl., Acta Soc. Sci. fenn. 26(no. 10): 6 (1900)
Homotypic synonyms:Myelochroa perisidians (Nyl.) Elix & Hale, Mycotaxon 29: 241 (1987)Parmelina perisidians (Nyl.) Hale, Phytologia 28(5): 483 (1974)