Basionym Name:Parmelia exsplendens Hale, in Hale & Kurokawa, Contr. U.S. natnl. Herb. 36(4): 174 (1964)
Homotypic synonyms:Hypotrachyna exsplendens (Hale) Hale, Smithson. Contr. bot. 25: 37 (1975)