| Classification | Betulaceae: Corylus | 
| Barcode(s) | 00401490 | 
| Collector | A. A. Heller | 
| Collector number | 12128 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Siskiyou County | 
| Locality | Metcalf's ranch, northeast base of Mt. Eddy | 
| Date Collected | 1915-07-18 | 
| Verbatim Elevation | 4500 feet | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/27495cbb-1ea0-43de-95f2-6495e68c762a | 
| Harvard University Herbaria Barcode | 00401490 | 
| Herbarium | A | 
| Family | Betulaceae | 
| Determination |  Corylus cornuta var. californica (A. de Candolle) Sharp | 
| Determined by | Drumke, John S. | 
| Date Determined | 1964-03-16 | 
| 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 |