Basionym Name:Parmelia protomatrae Gyeln., Feddes Repert. Spec. Nov. Regni veg. 29: 155 (1931)
Homotypic synonyms:Xanthoparmelia protomatrae (Gyeln.) Hale, Phytologia 28(5): 488 (1974)Xanthoparmelia somloensis var. protomatrae (Gyeln.) R. Sant., [as 'somloënsis'] Lichens and Lichenicolous Fungi of Sweden and Norway (Lund): 238 (1993)