| Classification | Onagraceae: Oenothera |
| Harvard University Herbaria Barcode(s) | 01643773 |
| Collector | C. B. Hellquist & L. Crouch |
| Collector number | 12498 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Marshall County |
| Locality | ca. 4.6 miles SW of jct. of Rtes. 99 & 99C, ca. 5.0 miles Sw of Madill. Sec. 11, T6S, R4E |
| Date Collected | 1978-06-03 |
| Habitat | roadside |
| Container | Flora of Oklahoma |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/04968b5e-ef2d-4487-bcf2-b11b70e80e88 |
| Harvard University Herbaria Barcode | 01643773 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of Boston State College, Boston, Massachusetts; Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) |
| 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 |
