| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 02363078 |
| Collector | G. Engelmann |
| Country | United States of America |
| State | Missouri |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri: Saint Louis County: Saint Louis (Missouri) |
| Locality | [data not captured] |
| Date Collected | 1841-09-** |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/78552734-97c1-4cd1-90df-39e0f1e28222 |
| Harvard University Herbaria Barcode | 02363078 |
| Herbarium | GH |
| 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 |
