| Classification | Polygonaceae: Persicaria | 
| Harvard University Herbaria Barcode(s) | 02363415 | 
| Collector | U. T. Waterfall | 
| Collector number | 1784 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Creek County | 
| Locality | 7 mi. W. of Sapulpa | 
| Date Collected | 1939-09-16 | 
| Habitat | moist clay, low ground | 
| Container | Plants of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fdbab782-89ee-4304-8803-780513dcabb5 | 
| Harvard University Herbaria Barcode | 02363415 | 
| Herbarium | GH | 
| Previous ownership | ex-Herb. U. T. Waterfall | 
| Family | Polygonaceae | 
| Determination | Persicaria hydropiperoides (Michaux) Small | 
| Determined by | C. Park | 
| Date Determined | 1990-06-** | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |