| Classification | Rhamnaceae: Rhamnus |
| Harvard University Herbaria Barcode(s) | 00051379 |
| Type Status | Isotype |
| Collector | W. L. Jepson |
| Collector number | 8974 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Colusa County |
| Locality | Ridge west of Bear Valley, western Colusa County |
| Date Collected | 1920-05-23 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/02ac9c5b-0484-479e-87ba-7a7ffa20f002 |
| Harvard University Herbaria Barcode | 00051379 |
| Herbarium | GH |
| Family | Rhamnaceae |
| Type Status | Isotype |
| Isotype of | Rhamnus californica var. crassifolia Jepson |
| Verified by | H. G. Bedell |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Rhamnus californica var. crassifolia Jepson) Man. Fl. Pl. Calif. 1925. 615. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
