Basionym Name:Usnea longissima var. misaminensis Vain., Philipp. J. Sci., C, Bot. 4(5): 655 (1909)
Homotypic synonyms:Usnea misaminensis (Vain.) Motyka, Usnea 2(1): 418 (1937)Usnea misaminensis var. misaminensis (Vain.) Motyka, Usnea 2(1): 418 (1937)Usnea squarrosa var. misaminensis (Vain.) Herre, Philipp. J. Sci. 92: 63 (1963)