| Classification | Onagraceae: Oenothera | 
| Harvard University Herbaria Barcode(s) | 01645436 | 
| Collector | J. H. Cowen | 
| Collector number | 242 | 
| Country | United States of America | 
| State | Colorado | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Delta County | 
| Locality | Hotchkiss | 
| Date Collected | 1892-07-02 | 
| Verbatim Elevation | 5300 ft | 
| Habitat | Hillsides | 
| Container | Flora of Colorado | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4523d198-ff42-45da-9c25-ea95ef81a006 | 
| Harvard University Herbaria Barcode | 01645436 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium State Agricultural College, Colorado. | 
| Family | Onagraceae | 
| Determination | Oenothera caespitosa Nuttall | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |