| Classification | Polygonaceae: Polygonum | 
| Harvard University Herbaria Barcode(s) | 00762200 | 
| Collector | C. H. Knowlton | 
| Country | United States of America | 
| State | Vermont | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Vermont: Windham County: Rockingham | 
| Locality | Rockingham | 
| Date Collected | 1929-08-09 [Aug. 9, 1929] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c82fec7b-ce98-4466-90ed-ca9b7aa8b8e8 | 
| Harvard University Herbaria Barcode | 00762200 | 
| Herbarium | NEBC | 
| Family | Polygonaceae | 
| Determination | Polygonum amphibium Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |