| Classification | Onagraceae: Calylophus |
| Harvard University Herbaria Barcode(s) | 01624946 |
| Collector | R. T. Clausen & H. Trapido |
| Collector number | 4603 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Beckham County |
| Locality | Gulf Slope; Central Lowland; Red River Basin; north side of North Fork of Red River about 6.5 miles north of Texola. |
| Date Collected | 1940-06-09 |
| Habitat | Sandy hillock |
| Container | Flora of North America |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d36e8132-7251-474c-935d-479da96ea1eb |
| Harvard University Herbaria Barcode | 01624946 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of Robert T. Clausen |
| Family | Onagraceae |
| Determination | Calylophus serrulatus (Nuttall) P. H. Raven |
| Determined by | Hoch, Peter Coonan |
| Date Determined | 1990 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
