| Classification | Polygonaceae: Polygonum | 
| Harvard University Herbaria Barcode(s) | 00686360 | 
| Collector | A. S. Pease | 
| Collector number | 28330 | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Oxford County: Brownfield | 
| Locality | Brownfield | 
| Date Collected | 1940-08-28 [28 Aug., 1940] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/64067ae8-28d4-40b2-8096-72d55e4628a1 | 
| Harvard University Herbaria Barcode | 00686360 | 
| Herbarium | NEBC | 
| Family | Polygonaceae | 
| Determination | Polygonum amphibium Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |