| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 02363141 |
| Collector | J. C. Nelson |
| Collector number | 2480 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon: Marion County: Salem |
| Locality | [data not captured] |
| Date Collected | 1918-10-18 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9e154684-6311-4e01-9a4c-647123b4e20b |
| Harvard University Herbaria Barcode | 02363141 |
| 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 |
