| Classification | Polygonaceae: Polygonum |
| Barcode(s) | 00503969 |
| 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: Whitneyville |
| Locality | Whitneyville |
| Date Collected | 1933-08-18 [Aug. 18, 1933] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5a60a0c1-50ac-4e8f-80ee-b473508dd60b |
| Harvard University Herbaria Barcode | 00503969 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum hydropiperoides Michaux |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |