Bull. mens. Soc. linn. Soc. Bot. Lyon 20: 209 (1951). Basionym: Parmelia alphoplaca Wahlenb., in Acharius, Methodus, Suppl. (Stockholmiæ): 41 (1803).
Basionym: Parmelia alphoplaca Wahlenb., in Acharius, Methodus, Suppl. (Stockholmiæ): 41 (1803).