Basionym Name:Imbricaria retiruga DC., in Lamarck & de Candolle, Fl. franç., Edn 3 (Paris) 2: 389 (1805)
Homotypic synonyms:Parmelia saxatilis var. retiruga (DC.) Th. Fr., Lich. Scand. (Upsaliae)(1): 114 (1871)