| Name | Pleurothallis sigmoidea Ames & C. Schweinfurth |
| Authorship | Ames & C. Schweinfurth |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pleurothallis R. Brown |
| GUID | urn:lsid:ipni.org:names:653576-1 |
| Citation | 1930 Sched. Orchid. 10: 36 |
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Pleurothallis sigmoidea Ames & C. Schweinfurth |
| Identification made in | [no date] (12), 1990 (1), 2011 (2), 2014 (1) |
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