| Classification | Onagraceae: Ludwigia | 
| Harvard University Herbaria Barcode(s) | 01780173 | 
| Collector | C. B. Hellquist with [data not captured] | 
| Collector number | 15054 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Marshall County | 
| Locality | on south side of Rte. 70 ca. 1.0 mile east of Kingston, R6E, T6S, Sec. 32 | 
| Date Collected | 1981-07-17 | 
| Habitat | small pond | 
| Container | Flora of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f7f82870-8bac-4b5e-9143-9e4911b3cc18 | 
| Harvard University Herbaria Barcode | 01780173 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium of Boston State College, Boston, Massachusetts; ex North Adams State College Herbarium (NASC); Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) | 
| Family | Onagraceae | 
| Determination | Ludwigia palustris (Linnaeus) Elliott | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |