| Classification | Convolvulaceae: Convolvulus |
| Classification 1 | Convolvulaceae: Calystegia |
| Barcode(s) | 00369412 |
| Collector | B. Trask |
| Collector number | 53 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Ventura County |
| Locality | San Nicolas Island |
| Date Collected | 1901-04-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8ba562e9-6cfa-4d23-8db5-00877932bac4 |
| Harvard University Herbaria Barcode | 00369412 |
| 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 |