| Classification | Rhamnaceae: Ceanothus |
| Harvard University Herbaria Barcode(s) | 00395254 |
| Collector | R. F. Thorne |
| Collector number | 49995 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Orange County |
| Locality | Santa Ana Mountains: tributary canyon to San Juan Canyon about 2 miles above San Juan Fire Station |
| Date Collected | 1977-11-21 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c4e42070-372d-4372-a1fa-0bc22bd6f4ba |
| Harvard University Herbaria Barcode | 00395254 |
| Herbarium | GH |
| Family | Rhamnaceae |
| Determination | Ceanothus spinosus Nuttall |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
