| Classification | Rhamnaceae: Frangula |
| Classification 1 | Rhamnaceae: Rhamnus |
| Harvard University Herbaria Barcode(s) | 00378043 |
| Collector | M. F. Spencer |
| Collector number | 2189 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Riverside County |
| Locality | Fern Valley pr. Idyllwild, San Jacinto Mts. |
| Date Collected | 1923-07-01 |
| Verbatim Elevation | 6200 ft. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/74ca9d4b-09fa-4502-b3df-9b4a4cfd1ea6 |
| Harvard University Herbaria Barcode | 00378043 |
| 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 |
| Determined by | Johnston, Ivan Murray |
| Date Determined | 1924-02-** |
| Determination Remarks | [0] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
