| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00503989 |
| Collector | [no data available] |
| Country | United States of America |
| State | New Hampshire |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Hampshire |
| Locality | West Effing |
| Date Collected | 1899 [Sept. 1899] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/923b9083-facb-4842-90eb-a8501c78647f |
| Harvard University Herbaria Barcode | 00503989 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum hydropiperoides Michaux |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
