| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Persicaria |
| Harvard University Herbaria Barcode(s) | 02364499 |
| Collector | Ced. L. Porter |
| Collector number | 3351 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Albany County |
| Locality | Pole Mt. region |
| Date Collected | 1943-08-25 |
| Verbatim Elevation | 8500 ft. |
| Habitat | Rooted in mud and floating in shallow water of a small lake. |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f438c319-d7b5-44d4-91ed-00cc62a646a0 |
| Harvard University Herbaria Barcode | 02364499 |
| Herbarium | GH |
| Previous ownership | [Ex] The Rocky Mountain Herbarium, University of Wyoming, Laramie |
| Family | Polygonaceae |
| Determination | Polygonum amphibium Linnaeus |
| Determined by | Atha, Daniel E. |
| Date Determined | 2014 |
| 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 |
