| Classification | Rhamnaceae: Ceanothus | 
| Harvard University Herbaria Barcode(s) | 00349855 | 
| Collector | J. I. Carlson | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Los Angeles County | 
| Locality | Sierra Madre | 
| Date Collected | 1918-04-29 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b241fe5e-38ed-42a9-a92b-d3df95317c73 | 
| Harvard University Herbaria Barcode | 00349855 | 
| Herbarium | A | 
| Family | Rhamnaceae | 
| Determination | Ceanothus divaricatus Nuttall ex Torrey & A. Gray | 
| Determination Remarks | [current name] | 
| Family | Rhamnaceae | 
| Determination | Ceanothus oliganthus Nuttall | 
| Determination Remarks | [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |