Basionym Name:Parmelia homaliza Schaer., Lich. helv. spicil. 9: 413 (1840)
Homotypic synonyms:Lecanora homaliza (Schaer.) Rabenh., Deutschl. Krypt.-Fl. (Leipzig) 2(1): 39 (1845)Placodium homalizum (Schaer.) Körb., Syst. lich. germ. (Breslau): 118 (1855)