| Classification | Polygonaceae: Polygonum | 
| Harvard University Herbaria Barcode(s) | 00762253 | 
| Collector | Ralph Hoffmann | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Berkshire County: Stockbridge | 
| Locality | Stockbridge | 
| Date Collected | 1917-08-15 [8/15, '17] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ded8ae9d-f600-426b-8430-bc8356597a1b | 
| Harvard University Herbaria Barcode | 00762253 | 
| Herbarium | NEBC | 
| Family | Polygonaceae | 
| Determination | Polygonum amphibium Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |