| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00645853 |
| Collector | E. F. Williams |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Woburn |
| Locality | Woburn, by Horn Pond |
| Date Collected | 1896-10-11 [Oct. 11, 1896] |
| Habitat | Waste heap |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ba2e30cb-acc9-40bd-baac-5252107b0c44 |
| Harvard University Herbaria Barcode | 00645853 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum hydropiper Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
