Basionym Name:Opegrapha argillicola Duby, Bot. Gall., Edn 2 (Paris) 2: 641 (1830)
Homotypic synonyms:Graphis signata var. geophila Wallr., Fl. crypt. Germ. (Norimbergae) 1: 335 (1831)Opegrapha koerberiana b argillicola (Duby) H. Olivier, Les Opegraph. Flor. Europ.: 9 (1914)Opegrapha koerberiana var. argillicola (Duby) H. Olivier, Opegrapha: 9 (1914)Opegrapha varia d argillicola (Duby) Schaer., Enum. critic. lich. europ. (Bern): 157 (1850)Opegrapha varia f. argillicola (Duby) Arnold, Flora, Regensburg 67(34): 659 (1884)