| Name | Pleurothallis longicaulis Lindley |
| Authorship | Lindley |
| Rank | Species |
| Placed in | Pleurothallis R. Brown |
| Citation | 1842 Edwards's Bot. Reg. 28: Misc. 72 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Pleurothallis longicaulis Lindley |
| Identification made in | [no date] (4) |