| Classification | Rhamnaceae |
| Harvard University Herbaria Barcode(s) | 00425695 |
| Collector | T. S. Brandegee |
| Collector number | 65 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California |
| Locality | San Gregorio |
| Date Collected | 1890-04-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2b27986f-2542-4e68-ba10-386f8c7e21c8 |
| Harvard University Herbaria Barcode | 00425695 |
| Herbarium | GH |
| Family | Rhamnaceae |
| Determination | Ceanothus Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Annotation Text | Ceanothus thyrsiflorus x oliganthus var. hirsutus |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
