| Classification | Onagraceae: Calylophus | 
| Barcode(s) | 01624562 | 
| Collector | U. T. Waterfall | 
| Collector number | 3130 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Texas County | 
| Locality | 8 mi. northwest of Guymon. | 
| Date Collected | 1941-08-05 | 
| Habitat | grey-white clay bank along gully in rolling prairie | 
| Container | Plants of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bf81f492-5d5e-4abb-acbc-9d98e9d61148 | 
| Harvard University Herbaria Barcode | 01624562 | 
| Herbarium | GH | 
| Family | Onagraceae | 
| Determination |  Calylophus drummondianus subsp. berlandieri (Spach) Towner & P. H. Raven | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |