| Classification | Onagraceae: Oenothera |
| Harvard University Herbaria Barcode(s) | 01644256 |
| Collector | U. T. Waterfall |
| Collector number | 2031 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Caddo County |
| Locality | 1 1/2 mi. W. of Hydro |
| Date Collected | 1940-05-27 |
| Habitat | Sandy soil in prairie |
| Container | Plants of Oklahoma |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/975bbd09-dfeb-4289-a7e7-4931f6da6a07 |
| Harvard University Herbaria Barcode | 01644256 |
| Herbarium | GH |
| Family | Onagraceae |
| Determination | Oenothera grandis (Britton) Smyth |
| Determined by | Dietrich, Werner |
| Date Determined | 1978 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
