| Name | Hexisea sigmoidea Ames & Schlechter |
| Authorship | Ames & Schlechter |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hexisea Lindley |
| Citation | 1925 Sched. Orchid. 8: 39 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Hexisea sigmoidea Ames & Schlechter |
| Identification made in | [no date] (3), 1990 (1), 2005 (1), 2013 (1) |
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