| Name | Peristylus ponerostachys (H. G. Reichenbach) Ormerod |
| Authorship | (Reichenbach f.) Ormerod |
| Rank | Species |
| Placed in | Peristylus |
| Citation | 20 Feb 2013 Malesian Orchid J. 11: 74 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Peristylus ponerostachys (H. G. Reichenbach) Ormerod |
| Identification made in | [no date] (2), 2010 (1) |