| Classification | Rosaceae: Pyrus |
| Classification 1 | Rosaceae: Sorbus |
| Harvard University Herbaria Barcode(s) | 00245062 |
| Type Status | Syntype, Isolectotype |
| Collector | W. H. Brewer |
| Collector number | 2091 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California |
| Locality | Ebbett's Pass to summit |
| Date Collected | 1863 |
| Elevation | 1981 - 2591 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cff57950-b0f3-4770-baa9-8204041e0971 |
| Harvard University Herbaria Barcode | 00245062 |
| Herbarium | GH |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Pyrus occidentalis S. Watson |
| Verified by | P. F. Zika |
| Date Determined | 2006 |
| Taxon Reference | (for Pyrus occidentalis S. Watson) Proc. Amer. Acad. Arts 1888. 23: 263. |
| Family | Rosaceae |
| Type Status | Isolectotype |
| Isolectotype of | Sorbus californica Greene |
| Verified by | P. F. Zika |
| Date Determined | 2006 |
| Taxon Reference | (for Sorbus californica Greene) Pittonia 1900. 4: 131. |
| Family | Rosaceae |
| Determination | Sorbus californica Greene |
| Determined by | P. F. Zika |
| Date Determined | 2006 |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
