| Classification | Onagraceae: Oenothera |
| Harvard University Herbaria Barcode(s) | 01644828 |
| Collector | G. M. Merrill |
| Collector number | 806 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Murray County |
| Locality | Platt National Park, Sulphur |
| Date Collected | 1935-07-02 |
| Container | Plants of Oklahoma |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e2f260c9-c440-4c94-96b0-3fabf5b028dd |
| Harvard University Herbaria Barcode | 01644828 |
| Herbarium | GH |
| Previous ownership | EX Herb. Arnold Arboretum Harvard University |
| Family | Onagraceae |
| Determination | Oenothera macrocarpa subsp. oklahomensis (Norton) W. L. Wagner |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |