| Name | Piper cachimboense Yuncker | 
| Authorship | Yuncker | 
| Rank | Species | 
| Placed in | Piper Linnaeus | 
| Citation | 1966. (23 Dec 1966) Bol. Inst. Bot. (São Paulo) 3: 88–89, f. 76 | 
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Piper cachimboense Yuncker | 
| Identification made in | [no date] (5) |