| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Persicaria |
| Harvard University Herbaria Barcode(s) | 00404629 |
| Collector | A. A. Heller |
| Collector number | 7162 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Nevada County |
| Locality | Lower end of Donner Lake |
| Date Collected | 1903-08-13 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/abb04477-0928-4e07-bd08-65283fce28a5 |
| Harvard University Herbaria Barcode | 00404629 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum amphibium Linnaeus |
| Determination Remarks | [0] |
| Family | Polygonaceae |
| Determination | Persicaria amphibia (Linnaeus) Delarbre |
| Determined by | Atha, Daniel E. |
| Date Determined | 2014 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
