Basionym Name:Parmelia diutina Brusse, Mycotaxon 49: 2 (1993)
Homotypic synonyms:Karoowia diutina (Brusse) Elix, Mycotaxon 63: 340 (1997)Xanthoparmelia diutina (Brusse) O. Blanco, A. Crespo, Elix, D. Hawksw. & Lumbsch, Taxon 53(4): 967 (2004)