Basionym Name:Parmelia pulverulenta f. pityrea Durieu & Mont., in Montagne, in Durieu, Expl. Sci. Alg., Fl. Algér. 1(livr. 6): 239 (1847)
Homotypic synonyms:Parmelia pulverulenta var. pityrea (Durieu & Mont.) Grognot, Pl. crypt.-cellul. Saône-et-Loire: 57 (1863)Physcia farrea f. pityrea (Durieu & Mont.) B. de Lesd., Bull. Soc. bot. Fr. 58(7): 550 (1911)Physcia grisea f. pityrea (Durieu & Mont.) Werner, Bull. Soc. Sci. Nat. phys. Maroc 19(1): 54 (1939)Physcia pulverulenta f. pityrea (Durieu & Mont.) Leight., Lich.-Fl. Great Brit.: 146 (1871)Physcia pulverulenta subsp. pityrea (Durieu & Mont.) Nyl., Mém. Soc. Imp. Sci. Nat. Cherbourg 3: 175 (1855)