| Name | Pleurothallis longicornu Kraenzlin |
| Authorship | Kraenzlin |
| Rank | Species |
| Placed in | Pleurothallis R. Brown |
| Citation | 1921 Ark. Bot. 16(8): 13 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pleurothallis longicornu Kraenzlin |
| Identification made in | [no date] (2) |