Homotypic Synonyms See Note

Basionym Name:
Opegrapha trifurcata Hepp ex Müll. Arg., Mém. Soc. Phys. Hist. nat. Genève 16(2): 407 (1862)

Homotypic synonyms:
Arthonia trifurcata (Hepp ex Müll. Arg.) Cl. Roux, in Roux et al., Catalogue des Lichens et Champignons Lichénicoles de France Métropolitaine (Fougères): 1314 (2014)
Opegrapha atra f. trifurcata (Hepp ex Müll. Arg.) Arnold, Flora, Regensburg 53(15): 231 (1870)
Opegrapha atra subsp. trifurcata (Hepp ex Müll. Arg.) Arnold, Flora, Regensburg 67(34): 662 (1884)
Opegrapha atra var. trifurcata (Hepp ex Müll. Arg.) Stizenb., Flora, Regensburg 48: 74 (1865)
Opegrapha calcarea var. trifurcata (Hepp ex Müll. Arg.) H. Olivier, Les Opegraph. Flor. Europ.: 16 (1914)