Basionym Name:Graphis sordida Fée, Essai Crypt. Exot. (Paris): 42 (1825)
Homotypic synonyms:Opegrapha sordida (Fée) Mont. & Bosch, Pl. Jungh. 4: 469 (1856)Phaeographis sordida (Fée) Müll. Arg., Mém. Soc. Phys. Hist. nat. Genève 29(no. 8): 23 (1887)