| Name | Polygonum engelmannii Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polygonum Linnaeus |
| GUID | urn:lsid:ipni.org:names:695694-1 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Polygonum engelmannii Greene |
| Identification made in | [no date] (10), 2010 (1) |