Atti Inst. Veneto Sci. lett., ed Arti, Sér. 2 3(App. 3): 123 (1852).

Basionym: Parmelia chalybaea Fr., Lich. Eur. Reform. (Lund): 125 (1831).

Type: France, circa Monspelium et in Pyr. orientalibus, Schaerer (W - neotype). Designated by Wunder (1974: 74).