Basionym Name:Parmelia tinctoria var. endosulphurea Hillmann, Feddes Repert. Spec. Nov. Regni veg. 48: 8 (1940)
Homotypic synonyms:Parmelia endosulphurea (Hillmann) Hale, Contr. U.S. natnl. Herb. 36(5): 251 (1965)Parmotrema endosulphureum (Hillmann) Hale, Phytologia 28(4): 334 (1974)