| Classification | Rhamnaceae: Ceanothus | 
| Harvard University Herbaria Barcode(s) | 00425368 | 
| Collector | H. E. Parks & S. T. Parks | 
| Collector number | 24012a | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Del Norte County | 
| Locality | Middle Fork of Smith River from Myrtle Creek to source | 
| Date Collected | 1937-05-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cdae7251-28c5-4096-81ba-e8e80f6acd05 | 
| Harvard University Herbaria Barcode | 00425368 | 
| Herbarium | A | 
| Family | Rhamnaceae | 
| Determination | Ceanothus thyrsiflorus Eschscholtz | 
| Determination Remarks | [current name] | 
| Family | Rhamnaceae | 
| Determination | Ceanothus thyrsiflorus Eschscholtz | 
| Determination Remarks | [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |