| Classification | Convolvulaceae: Convolvulus | 
| Classification 1 | Convolvulaceae: Calystegia | 
| Harvard University Herbaria Barcode(s) | 00369438 | 
| Collector | P. H. Raven | 
| Collector number | 13794 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Ventura County | 
| Locality | 1.9 miles from North Potrero Road on Potrero Road to Hidden Valley, Potrero Valley | 
| Date Collected | 1959-02-23 | 
| Verbatim Elevation | 900 feet | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7dc4ecce-d535-463a-86e2-534de486a1c4 | 
| Harvard University Herbaria Barcode | 00369438 | 
| Herbarium | GH | 
| Family | Convolvulaceae | 
| Determination | Convolvulus occidentalis var. cyclostegius (House) Jepson | 
| Determination Remarks | [current name] | 
| Family | Convolvulaceae | 
| Determination | Calystegia macrostegia subsp. cyclostegia (House) Brummitt | 
| Determination Remarks | [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |