| Classification | Onagraceae: Oenothera |
| Harvard University Herbaria Barcode(s) | 01644989 |
| Collector | E. D. Merrill & E. N. Wilcox |
| Collector number | 766 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming |
| Locality | Sand hills near Flockerts Ranch |
| Date Collected | 1901-06-30 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/aeef29d0-ed71-491f-bb19-1040792b5b99 |
| Harvard University Herbaria Barcode | 01644989 |
| Herbarium | GH |
| Family | Onagraceae |
| Determination | Oenothera nuttallii Sweet |
| Determined by | Klein, William McKinley |
| Date Determined | 1961 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
