| Classification | Rosaceae: Pyrus |
| Classification 1 | Rosaceae: Sorbus |
| Harvard University Herbaria Barcode(s) | 00245060 |
| Type Status | Syntype |
| Collector | E. Hall |
| Collector number | 148 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon |
| Date Collected | 1871 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ab4da5d0-256c-4cda-bcb8-3e10ced7ef04 |
| Harvard University Herbaria Barcode | 00245060 |
| 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 |
| Determination | Sorbus sitchensis var. grayi (Wenzig) Hitchcock |
| Determined by | P. F. Zika |
| Date Determined | 2006 |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |