| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 02363099 |
| Collector | J. J. Thornber & T. A. Williams |
| Country | United States of America |
| State | South Dakota |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: South Dakota |
| Locality | Brookings |
| Date Collected | 1893-09-16 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3ca76b9f-09b4-4a1a-aaba-2082f0bd4ce1 |
| Harvard University Herbaria Barcode | 02363099 |
| Herbarium | GH |
| Previous ownership | [Ex] Herbarium of S. D. Ag. College and Exp. Station; [Ex] Herbarium of Walter Deane |
| Family | Polygonaceae |
| Determination | Polygonum hydropiper Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
