| Name | Piper alstoni Trelease |
| Authorship | Trelease |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Piper Linnaeus |
| Citation | 1940 Ann. Missouri Bot. Gard. 27: 287 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Piper alstoni Trelease |
| Identification made in | [no date] (1) |