| Classification | Rhamnaceae: Rhamnus |
| Classification 1 | Rhamnaceae: Frangula |
| Barcode(s) | 00425967 |
| Collector | J. T. Howell |
| Collector number | 13717 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Humboldt County |
| Locality | 5 miles east of Berry Summit |
| Date Collected | 1937-07-31 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/817c091e-4bf2-4a00-9bbe-da1ac7559208 |
| Harvard University Herbaria Barcode | 00425967 |
| Herbarium | A |
| Family | Rhamnaceae |
| Determination | Rhamnus occidentalis Howell ex Greene |
| Determination Remarks | [current name] |
| Family | Rhamnaceae |
| Determination | Frangula californica subsp. occidentalis (Howell ex Greene) Kartesz & Gandhi |
| Determination Remarks | [filed under] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |