Basionym Name:Opegrapha grumulosa var. arthonioidea Nyl., Act. Soc. linn. Bordeaux 21(4): 398 (1857)
Homotypic synonyms:Opegrapha arthonioidea (Nyl.) Nyl., Lich. Nov. Zeland. (Paris): 148 (1888)Opegrapha arthonioidea var. arthonioidea (Nyl.) Nyl., Lich. Nov. Zeland. (Paris): 148 (1888)