| Classification | Polygonaceae: Persicaria | 
| Harvard University Herbaria Barcode(s) | 02364178 | 
| Collector | F. H. Montgomery | 
| Collector number | 1079 | 
| Country | Canada | 
| State | Ontario | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario: Regional Municipality of Waterloo | 
| Locality | [data not captured] | 
| Date Collected | 1940-08-16 | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/79c72011-7ff4-474b-9b95-022804a12219 | 
| Harvard University Herbaria Barcode | 02364178 | 
| Herbarium | GH | 
| Family | Polygonaceae | 
| Determination | Persicaria amphibia (Linnaeus) Delarbre | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |