| Classification | Rhamnaceae: Rhamnus |
| Harvard University Herbaria Barcode(s) | 00378381 |
| Collector | W. L. Jepson |
| Collector number | 2389 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Solano County |
| Locality | just below saddle of Twin Sister's Peak, east slope |
| Date Collected | 1903-10-18 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bc7f7098-08b1-42b5-9c8b-458b2465252c |
| Harvard University Herbaria Barcode | 00378381 |
| Herbarium | GH |
| Family | Rhamnaceae |
| Determination | Rhamnus crocea subsp. ilicifolia (Kellogg) C. B. Wolf |
| Determined by | Lloyd, Robert Michael |
| Date Determined | 1966-01-24 |
| Determination Remarks | [current name] |
| Family | Rhamnaceae |
| Determination | Rhamnus crocea var. ilicifolia (Kellogg) Greene |
| Determination Remarks | [filed under] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
