| Name | Polygonum hydropiperoides var. asperifolium Stanford | 
| Authorship | Stanford | 
| Rank | Variety | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Polygonum hydropiperoides Michaux | 
| GUID | urn:lsid:ipni.org:names:206235-2 | 
| Citation | 1926 Rhodora 28(326): 27 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polygonum hydropiperoides var. asperifolium Stanford | 
| Identification made in | 1924 (1), 2019 (1) | 
