| Classification | Betulaceae: Corylus | 
| Harvard University Herbaria Barcode(s) | 00401477 | 
| Collector | W. B. Cooke | 
| Collector number | 15308 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Siskiyou County | 
| Locality | along creeks near the Box Canyon of the Sacramento near Mt. Shasta City | 
| Date Collected | 1940-07-12 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/dda5352b-bf9e-4d69-a603-8db9f7c44ff5 | 
| Harvard University Herbaria Barcode | 00401477 | 
| Herbarium | GH | 
| Family | Betulaceae | 
| Determination | Corylus cornuta subsp. californica (A. de Candolle) A. E. Murray | 
| Determined by | Furlow, John Jacob | 
| Date Determined | 2003 | 
| Determination Remarks | [current name] | 
| Family | Betulaceae | 
| Determination | Corylus cornuta subsp. californica (A. de Candolle) A. E. Murray | 
| Determination Remarks | [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |