Basionym Name:Opegrapha prosiliens Stirt., Grevillea 3(no. 25): 36 (1874)
Homotypic synonyms:Opegrapha prosodeoides Vain., in Hiern, Cat. Afr. Pl. 2(2): 443 (1901)Opegrapha protuberans Zahlbr., Cat. Lich. Univers. 2: 233 (1923)Opegrapha protuberans f. protuberans Zahlbr., Cat. Lich. Univers. 2: 233 (1923)