Homotypic Synonyms See Note

Basionym Name:
Psora ostreata Hoffm., Deutschl. Fl., Zweiter Theil (Erlangen): 163 (1796)

Homotypic synonyms:
Biatora ostreata (Hoffm.) Fr., Summa veg. Scand., Sectio Prior (Stockholm): 111 (1845)
Biatora ostreata var. ostreata (Hoffm.) Fr., Summa veg. Scand., Sectio Prior (Stockholm): 111 (1845)
Lecanora ostreata (Hoffm.) Rabenh., Deutschl. Krypt.-Fl. (Leipzig) 2(1): 44 (1845)
Lecidea ostreata (Hoffm.) Schaer., Lich. helv. spicil. 3: 110 (1828)
Lecidea ostreata f. ostreata (Hoffm.) Schaer., Lich. helv. spicil. 3: 110 (1828)
Lecidea ostreata var. ostreata (Hoffm.) Schaer., Lich. helv. spicil. 3: 110 (1828)
Parmelia ostreata (Hoffm.) Fr., Lich. eur. reform. (Lund): 94 (1831)
Parmelia ostreata var. ostreata (Hoffm.) Fr., Lich. eur. reform. (Lund): 94 (1831)
Patellaria ostreata (Hoffm.) Wallr., Fl. crypt. Germ. (Norimbergae) 1: 393 (1831)
Patellaria ostreata var. ostreata (Hoffm.) Wallr., Fl. crypt. Germ. (Norimbergae) 1: 393 (1831)
Placodium ostreatum (Hoffm.) Link, Grundr. Krauterk. 3: 190 (1833)
Schaereria ostreata (Hoffm.) Gyeln., Lichenotheca 9: no. 166 (1937)