Basionym Name:Parmelia degelii Hale, in Hale & Kurokawa, Contr. U.S. natnl. Herb. 36(4): 170 (1964)
Homotypic synonyms:Hypotrachyna degelii (Hale) Hale, Smithson. Contr. bot. 25: 31 (1975)