| Classification | Onagraceae: Calylophus |
| Harvard University Herbaria Barcode(s) | 01625009 |
| Collector | L. O. Williams & T. P. Williams |
| Collector number | 3234 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Sheridan County |
| Locality | Little Tongue River Canyon |
| Date Collected | 1936-07-04 - 1936-07-10 |
| Verbatim Elevation | 7500 ft. |
| Habitat | Dry rocky hillside |
| Container | Flora of the Big Horn Mountains, Wyoming |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b0f3241d-7002-4783-9306-9e1ed7f77d7c |
| Harvard University Herbaria Barcode | 01625009 |
| Herbarium | GH |
| Family | Onagraceae |
| Determination | Calylophus serrulatus (Nuttall) P. H. Raven |
| Determined by | Towner, Howard Frost |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
