Parmeliaceae Zenker
Parmelia billardierei (Mont.) Zahlbr. , legitimate, scientific
Zahlbruckner, A. (1930), Catalogus Lichenum Universalis 6: 26 [comb. nov.]
basionym: Cetraria billardierei Mont. legitimate
Elix, J.A. in George, A.S. (ed.) (1992), Hypogymnia in Hypogymniaceae. Flora of Australia 54: 204 [nomenclatural synonym]
nomenclatural synonym of: Hypogymnia billardierei (Mont.) Filson legitimate