| Classification | Convolvulaceae: Calystegia | 
| Harvard University Herbaria Barcode(s) | 00404809 | 
| Collector | B. J. Ertter, T. Columbus & H. C. Forbes | 
| Collector number | 8350 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Mariposa County | 
| Locality | 3.4 mi N of Merced River on Hwy 49, 6.7 miles S of Coulterville, serpentine area on tributary of Scotch Gulch, T3S R17E Sec 20 | 
| Date Collected | 1989-04-23 | 
| Verbatim Elevation | ca 1900 ft. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/102a02ae-9ad8-486f-a4ae-8a186c87e69b | 
| Harvard University Herbaria Barcode | 00404809 | 
| Herbarium | GH | 
| Family | Convolvulaceae | 
| Determination | Calystegia occidentalis subsp. fulcrata (A. Gray) Brummitt | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |