Basionym Name:Opegrapha plurilocularis var. obfuscata Müll. Arg., Flora, Regensburg 65: 505 (1882)
Homotypic synonyms:Lecanactis quassiae var. obfuscata (Müll. Arg.) Zahlbr., Cat. Lich. Univers. 2: 545 (1923)Opegrapha quassiae var. obfuscata (Müll. Arg.) Müll. Arg., Revue mycol., Toulouse 9(no. 34): 86 (1887)