| Classification | Convolvulaceae: Convolvulus |
| Classification 1 | Convolvulaceae: Calystegia |
| Harvard University Herbaria Barcode(s) | 00369419 |
| Collector | P. H. Raven |
| Collector number | 18030 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Los Angeles County |
| Locality | Northwest Harbor, San Clemente Island |
| Date Collected | 1962-07-12 |
| Verbatim Elevation | 50 feet |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6753be73-f348-43d5-8484-e32f02686d1e |
| Harvard University Herbaria Barcode | 00369419 |
| Herbarium | GH |
| Family | Convolvulaceae |
| Determination | Convolvulus macrostegius Greene |
| Determination Remarks | [current name] |
| Family | Convolvulaceae |
| Determination | Calystegia macrostegia (Greene) Brummitt |
| Determination Remarks | [filed under] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
