Dendrochilum asperum L.O.Williams, Philipp. J. Sci. 80: 309. 1952.
Bas.: Acoridium exasperatum Ames, Schedul. Orch. 6: 21-22. 1923. TYPE: Philippines. Luzon, Rizal: Mount Lumutan, on tree in mossy forest. 1000 feel altitude, April 21, 1923, M. Ramos, Bureau of Science 12338 (holotype, AMES).
Bas.: Acoridium exasperatum Ames, Schedul. Orch. 6: 21-22. 1923.
TYPE: Philippines. Luzon, Rizal: Mount Lumutan, on tree in mossy forest. 1000 feel altitude, April 21, 1923, M. Ramos, Bureau of Science 12338 (holotype, AMES).