| Classification | Rosaceae: Pyrus |
| Classification 1 | Rosaceae: Sorbus |
| Harvard University Herbaria Barcode(s) | 00040946 |
| Type Status | Lectotype |
| Collector | D. Lyall |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon |
| Locality | Cascade Mountains |
| Date Collected | 1859 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5eaa9127-3b2b-4bd0-9539-433382927b00 |
| Harvard University Herbaria Barcode | 00040946 |
| Herbarium | GH |
| Family | Rosaceae |
| Type Status | Lectotype |
| Lectotype 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 | Lectotype |
| Lectotype of | Sorbus sambucifolia var. grayi Wenzig |
| Verified by | W. T. Kittredge |
| Date Determined | 1991 |
| Taxon Reference | (for Sorbus sambucifolia var. grayi Wenzig) Bot. Centralbl. 1888. 35: 342. |
| 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 | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |