| Classification | Polygonaceae: Persicaria | 
| Harvard University Herbaria Barcode(s) | 02363404 | 
| Collector | U. T. Waterfall | 
| Collector number | 2469 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Oklahoma County | 
| Locality | 2 mi. west & 2 south of Harrah. | 
| Date Collected | 1940-09-14 | 
| Habitat | west clay soil in overflow land near creek in a Populus-Salix-Cephalanthus associes. | 
| Container | Plants of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b69357fe-c1f6-4abf-8163-0883237af3e3 | 
| Harvard University Herbaria Barcode | 02363404 | 
| Herbarium | GH | 
| 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 |