Basionym Name:Parmelia farinacea f. obscura Bitter, Hedwigia 40: 201 (1901)
Homotypic synonyms:Hypogymnia austerodes f. obscura (Bitter) Rass., Nov. sist. Niz. Rast. 4: 297 (1967)Parmelia austerodes f. obscura (Bitter) Hillmann, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9.5(3): 55 (1936)