| Classification | Polygonaceae: Persicaria | 
| Harvard University Herbaria Barcode(s) | 02363045 | 
| Collector | S. F. Blake | 
| Collector number | 5569 | 
| Country | Canada | 
| State | New Brunswick | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: New Brunswick: Gloucester County (New Brunswick) | 
| Locality | [data not captured] | 
| Date Collected | 1913-08-27 | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c80c48c6-9859-4690-8fb9-7aa538092318 | 
| Harvard University Herbaria Barcode | 02363045 | 
| Herbarium | GH | 
| Family | Polygonaceae | 
| Determination | Persicaria hydropiper (Linnaeus) Spach | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |