Basionym Name:Parmelia koyaensis Asahina, J. Jap. Bot. 28(3): 67 (1953)
Homotypic synonyms:Hypotrachyna koyaensis (Asahina) Hale, Smithson. Contr. bot. 25: 44 (1975)Remototrachyna koyaensis (Asahina) A. Crespo & Divakar, in Divakar, Lumbsch, Ferencová, Prado & Crespo, Am. J. Bot. 97(4): 586 (2010)