| Classification | Onagraceae: Oenothera |
| Harvard University Herbaria Barcode(s) | 00073048 |
| Type Status | Holotype |
| Collector | D. Douglas |
| Collector number | s.n. |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California |
| Date Collected | 1883 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/93ba9c53-8d07-4e97-9e9a-baeecddc0f6f |
| Harvard University Herbaria Barcode | 00073048 |
| Herbarium | GH |
| Family | Onagraceae |
| Type Status | Holotype |
| Holotype of | Oenothera hookeri Torrey & A. Gray |
| Taxon Reference | (for Oenothera hookeri Torrey & A. Gray) Fl. N. Amer. [Torr. & A. Gray] 1840. 1: 493. |
| Family | Onagraceae |
| Determination | Oenothera elata subsp. hookeri (Torrey & A. Gray) W. Dietrich & W. L. Wagner |
| Determined by | W.L. Wagner & W. Dietrich |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |