| Classification | Onagraceae: Oenothera | 
| Harvard University Herbaria Barcode(s) | 01644827 | 
| Collector | H. A. Stephens | 
| Collector number | 10737 | 
| Country | United States of America | 
| State | Kansas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Kansas: Montgomery County | 
| Locality | 7 mi. E. Independence | 
| Date Collected | 1967-05-04 | 
| Habitat | Steep, rocky, prairie pasture hillside. Southwest slope. | 
| Container | Kansas Plants | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c746a8ce-a06a-4229-ba08-cfe16a0a3362 | 
| Harvard University Herbaria Barcode | 01644827 | 
| Herbarium | GH | 
| Previous ownership | [ex] The University of Kansas, Lawrence, Kansas | 
| Family | Onagraceae | 
| Determination | Oenothera macrocarpa subsp. oklahomensis (Norton) W. L. Wagner | 
| Determined by | Wagner, Warren Lambert | 
| Date Determined | 1980 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |