| Classification | Polygonaceae: Persicaria | 
| Classification 1 | Polygonaceae: Polygonum | 
| Harvard University Herbaria Barcode(s) | 02364500 | 
| Collector | E. B. Payson & L. E. B. Payson | 
| Collector number | 4432 | 
| Country | United States of America | 
| State | Wyoming | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Sublette County | 
| Locality | Near the lower end of New Fork Lakes | 
| Date Collected | 1925-07-24 | 
| Verbatim Elevation | 7700 ft. | 
| Habitat | Pond. | 
| Container | Plants of Wyoming | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0734a2c3-7d53-497b-b032-db5bcc103ea8 | 
| Harvard University Herbaria Barcode | 02364500 | 
| Herbarium | GH | 
| Previous ownership | [Ex] The Rocky Mountain Herbarium | 
| Family | Polygonaceae | 
| Determination | Persicaria amphibia (Linnaeus) Delarbre | 
| Determined by | Atha, Daniel E. | 
| Date Determined | 2014 | 
| Determination Remarks | [filed under] [current name] | 
| Family | Polygonaceae | 
| Determination | Polygonum amphibium Linnaeus | 
| Determined by | Atha, Daniel E. | 
| Date Determined | 2014 | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |