Pleurothallis monstrabilis Ames, Schedul. Orchid. 6: 63. 1923.
TYPE: Costa Rica. Vicinity of La Palma, on the road to La Hondura, 1500-1700 m, July 17-18, 1923, W.R. Maxon & A.D. Harvey 8096 (holotype, US; isotype, AMES; detail of isotype, AMES).
HETEROTYPIC SYNONYMS
Barbosella prorepens (Rchb. f.) Schltr., Repert. Spec. Nov. Regni Veg. 15(427/433): 263. 1918.