| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00645738 |
| Collector | C. H. Knowlton |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Washington County: Princeton |
| Locality | Princeton |
| Date Collected | 1940-08-07 [Aug. 7, 1940] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6c3c3e87-3a22-4a72-8a61-c6a2ba73241a |
| Harvard University Herbaria Barcode | 00645738 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum hydropiper Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
