| Classification | Onagraceae: Calylophus |
| Harvard University Herbaria Barcode(s) | 01624782 |
| Collector | U. T. Waterfall |
| Collector number | 2389 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Custer County |
| Locality | 1 mi. S. & 1 W. of Weatherford |
| Date Collected | 1940-08-19 |
| Habitat | Sandy clay soil, low gypsum hills in prairie |
| Container | Plants of Oklahoma |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fa03ae55-80e7-4444-bb4a-d4e20f90d4a7 |
| Harvard University Herbaria Barcode | 01624782 |
| Herbarium | GH |
| Previous ownership | ex-Herb. U. T. Waterfall |
| Family | Onagraceae |
| Determination | Calylophus hartwegii subsp. pubescens (A. Gray) Towner & P. H. Raven |
| Determined by | Towner, Howard Frost |
| Date Determined | 1969 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |