| Classification | Rhamnaceae: Rhamnus |
| Classification 1 | Rhamnaceae: Frangula |
| Harvard University Herbaria Barcode(s) | 00378123 |
| Collector | W. B. Cooke |
| Collector number | 15310 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Siskiyou County |
| Locality | creeks near the Box Canyon of the Sacramento near Mt. Shasta City |
| Date Collected | 1940-07-12 |
| Verbatim Elevation | 3000 [ft.] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/eb6d2fb4-c3e5-438d-8ccc-d10b353bcc4b |
| Harvard University Herbaria Barcode | 00378123 |
| Herbarium | GH |
| Family | Rhamnaceae |
| Determination | Rhamnus purshiana de Candolle |
| Determination Remarks | [current name] |
| Family | Rhamnaceae |
| Determination | Frangula purshiana (de Candolle) A. Gray |
| Determination Remarks | [filed under] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
