| Classification | Onagraceae: Oenothera |
| Harvard University Herbaria Barcode(s) | 01643781 |
| Collector | M. Hopkins, A. Nelson & R. Nelson |
| Collector number | 1081 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Atoka County |
| Locality | Along the M.K.T. RR., 8 mi. so. of Atoka |
| Date Collected | 1945-05-05 |
| Habitat | along an embankment by a ditch. |
| Container | Plants of Oklahoma |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1928cb4b-bd5d-4a04-b38a-ec8b65ded3e8 |
| Harvard University Herbaria Barcode | 01643781 |
| Herbarium | GH |
| Previous ownership | [ex] Bebb Herbarium of the University of Oklahoma |
| Family | Onagraceae |
| Determination | Oenothera speciosa Nuttall |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
