Homotypic Synonyms See Note

Basionym Name:
Lecidea friesii Ach., in Liljeblad, Utkast Sv. Fl., Edn 3 (Upsala): 610 (1816)

Homotypic synonyms:
Biatora friesii (Ach.) Tuck., Syn. N. Amer. Lich. (Boston) 2: 15 (1888)
Hypocenomyce friesii (Ach.) P. James & Gotth. Schneid., in Schneider, Biblthca Lichenol. 13: 84 (1980)
Psora friesii (Ach.) Hellb., K. svenska Vetensk-Akad. Handl., ny följd 9(no. 11): 61 (1870)
Psora ostreata f. friesii (Ach.) Boistel, Nouv. Fl. Lich. (Paris) 2: 94 (1903)
Xylopsora friesii (Ach.) Bendiksby & Timdal, Taxon 62(5): 953 (2013)