| Classification | Rhamnaceae: Ceanothus |
| Harvard University Herbaria Barcode(s) | 00349645 |
| Collector | F. W. Peirson |
| Collector number | 111 |
| 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 | Toll Road, Mt. Wilson, San Gabriel Range |
| Date Collected | 1918-05-26 |
| Verbatim Elevation | 3750 feet |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a04f5f53-356b-424b-bc57-6105916e095f |
| Harvard University Herbaria Barcode | 00349645 |
| Herbarium | GH |
| Family | Rhamnaceae |
| Determination | Ceanothus integerrimus Hooker & Arnott |
| Determined by | Coile, Nancy Craft |
| Date Determined | 1988 |
| Determination Remarks | [current name] |
| Family | Rhamnaceae |
| Determination | Ceanothus integerrimus Hooker & Arnott |
| Determination Remarks | [filed under] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
