Hyalosema trachyanthum (Kraenzl.) Rolfe, Orchid Rev. 27 (1919) 131
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Bulbophyllum klossii Ridl., Trans. Linn. Soc. London, Bot. 9 (1916) 179
Type: Kloss s.n. (Camp 9 to 11, 5500 to 8300 ft.) (holo BM)
Hyalosema klossii (Ridl.) Rolfe, Orchid Rev. 27 (1919) 131