Basionym Name:Parmelia pachyderma Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 4 sér. 1: 137 (1899)
Homotypic synonyms:Concamerella pachyderma (Hue) W.L. Culb. & C.F. Culb., Bryologist 84(3): 308 (1981)Everniastrum pachydermum (Hue) Hale, Mycotaxon 3(3): 348 (1976)Parmotrema pachydermum (Hue) O. Blanco, A. Crespo, Divakar, Elix & Lumbsch, Mycologia 97(1): 157 (2005)