Basionym Name:Lecanora unicolor Sommerf., Kgl. norske vidensk. Selsk. Skr. 2(2. H.): 59 (1827)
Homotypic synonyms:Parmelia sulphurea var. unicolor (Sommerf.) Torss., Enum. Lich. Byssac. Scandin. (Upsaliae): 24 (1843)