| Classification | Rhamnaceae: Frangula |
| Classification 1 | Rhamnaceae: Rhamnus |
| Harvard University Herbaria Barcode(s) | 00378096 |
| Collector | M. F. Spencer |
| Collector number | 1166 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Diego County |
| Locality | Mesa Grande |
| Date Collected | 1919-06-02 |
| Verbatim Elevation | 3300 ft. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/900a6762-ae96-44dd-8246-f857cd1bb99a |
| Harvard University Herbaria Barcode | 00378096 |
| Herbarium | GH |
| Family | Rhamnaceae |
| Determination | Frangula californica subsp. tomentella (Bentham) Kartesz & Gandhi |
| Determination Remarks | [is filed under name] |
| Family | Rhamnaceae |
| Determination | Rhamnus californica var. tomentella (Bentham) W. H. Brewer ex S. Watson |
| Determination Remarks | [0] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
