| Classification | Onagraceae: Clarkia |
| Harvard University Herbaria Barcode(s) | 01673774 |
| Collector | J. W. Congdon |
| Collector number | C37 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Mariposa County |
| Locality | Marshall Ham's Place |
| Date Collected | 1894-09-22 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/298d72b0-de16-4c16-bbf9-8e05d50c217a |
| Harvard University Herbaria Barcode | 01673774 |
| Herbarium | GH |
| Previous ownership | Ex-Herb. J. W. Congdon. Mariposa, Cal. |
| Family | Onagraceae |
| Determination | Clarkia williamsonii (Durand & Hilgard) F. H. Lewis & M. E. Lewis |
| Determined by | Lewis, Margaret Ensign & Lewis, Frank Harlan |
| Date Determined | 1951 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
