| Classification | Polygonaceae: Persicaria |
| Harvard University Herbaria Barcode(s) | 02363290 |
| Collector | F. P. Metcalf |
| Collector number | 1099 |
| Country | United States of America |
| State | Illinois |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois: Calhoun County |
| Locality | [data not captured] |
| Date Collected | 1920-10-16 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/819fd661-3e21-48fd-b0b5-426494ae9e7e |
| Harvard University Herbaria Barcode | 02363290 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Persicaria hydropiperoides (Michaux) Small |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
