| Name | Polystachya holstii Kraenzlin |
| Authorship | Kraenzlin |
| Rank | Species |
| Placed in | Polystachya Hooker |
| Citation | 1896 Xenia Orchid. 3: 150 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polystachya holstii Kraenzlin |
| Identification made in | [no date] (2) |