| Classification | Onagraceae: Calylophus |
| Harvard University Herbaria Barcode(s) | 01624561 |
| Collector | M. Hopkins & M. Van Valkenburgh |
| Collector number | 5 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Logan County |
| Locality | 5 miles west of Guthrie, on highway #33 |
| Date Collected | 1939-05-15 |
| Habitat | open prairie of mixed grasses |
| Container | Plants of Oklahoma |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4e391476-c097-447e-b71f-2aed133165e3 |
| Harvard University Herbaria Barcode | 01624561 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of the University of Oklahoma |
| Family | Onagraceae |
| Determination | Calylophus drummondianus subsp. berlandieri (Spach) Towner & P. H. Raven |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
