| Classification | Rhamnaceae: Ceanothus | 
| Harvard University Herbaria Barcode(s) | 00349004 | 
| Collector | P. A. Munz, R. D. Harwood & I. M. Johnston | 
| Collector number | 1920-05-25 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Bernardino County | 
| Locality | So. Side of Cajon Pass | 
| Date Collected | 1917-02-04 | 
| Verbatim Elevation | 3500 ft. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/34b85628-0082-4f86-bdd7-aceefa8982ef | 
| Harvard University Herbaria Barcode | 00349004 | 
| Herbarium | A | 
| Family | Rhamnaceae | 
| Determination | Ceanothus crassifolius Torrey | 
| Determination Remarks | [current name] | 
| Family | Rhamnaceae | 
| Determination | Ceanothus crassifolius Torrey | 
| Determination Remarks | [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |