| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00552063 |
| Collector | C. H. Knowlton |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Norfolk County: Dover |
| Locality | Dover |
| Date Collected | 1938-09-19 [Sept. 19, 1938] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cc6bf241-8ab6-4423-ae37-2c3a90268676 |
| Harvard University Herbaria Barcode | 00552063 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Polygonum hydropiperoides Michaux |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
