Brachionidium pusillum Ames & C.Schweinf., Schedul. Orchid. 10: 52. 1930.
TYPE: Costa Rica. Heredia: Yerba Buena: northeast of San Isidro, 22, 28 Feb 1926, alt 2000 m, P.C. Standley & J. Valerio 49068 (holotype, AMES; isotype, AMES).