Basionym Name:Parmelia ralla Brusse, Mycotaxon 27: 240 (1986)
Homotypic synonyms:Karoowia ralla (Brusse) Hale, Mycotaxon 35(1): 189 (1989)Xanthoparmelia ralla (Brusse) G. Amo, A. Crespo, Elix & Lumbsch, Aust. Syst. Bot. 23(3): 182 (2010)