| 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) |