Basionym Name:Parmelia corrugata f. incusum Wallr., Fl. crypt. Germ. (Norimbergae) 1: 504 (1831)
Homotypic synonyms:Imbricaria acetabulum f. incusa (Wallr.) Flot., Linnaea 22: 358 (1849)Parmelia acetabulum f. incusa (Wallr.) Hillmann, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9.5(3): 115 (1936)Pleurosticta acetabulum f. incusa (Wallr.) S.Y. Kondr., Flora Lischaĭnikiv Ukraïni (Kiev) 2(2): 128 (1993)