Parerga Lichenol. (Breslau) 2: 133 (1860).

Basionym: Biatora friesiana Hepp, Flecht. Europ.: 288 (1857).

Synonyms: Index Fungorum

Type locality: Switzerland, probably near Zürich, Hepp (BM-22207b - lectotype). Designated by Ekman (1996: 74).