| Classification | Onagraceae: Oenothera |
| Harvard University Herbaria Barcode(s) | 01643287 |
| Collector | R. C. Rollins |
| Collector number | 1661 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Uinta County |
| Locality | near the junction of Hams Fork and Blacks Fork Rivers, 16 miles southeast of Lyman |
| Date Collected | 1937-06-11 |
| Verbatim Elevation | 6,500 ft. |
| Habitat | Sandy soil |
| Container | Plants of the Rocky Mountain Region |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fe206464-8bb8-4225-a53c-e9918fc02dcb |
| Harvard University Herbaria Barcode | 01643287 |
| Herbarium | GH |
| Family | Onagraceae |
| Determination | Oenothera pallida subsp. trichocalyx (Nuttall) Munz & W.M. Klein |
| 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 |
