| Name | Piperia unalascensis (Sprengel) Rydberg |
| Authorship | (Sprengel) Rydberg |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Piperia |
| GUID | urn:lsid:ipni.org:names:651639-1 |
| Citation | 1901 Bull. Torrey Bot. Club 28(5): 270 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Piperia unalascensis (Sprengel) Rydberg |
| Identification made in | [no date] (2) |