| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Kalmia occidentalis Small | Mrs. B. Willis s.n. 1883 | United States of America. Washington. Foothills of Mt. Rainier. | holotype | 23678 |  |
| Kalmia occidentalis Small | J. P. Anderson 38 04 Jun 1925 | United States of America. Alaska. Mendenhall Glacier, near Juneau. |  | ||
| Kalmia occidentalis Small | A. Nelson 752 with Ruth A. Nelson, 04 Jun 1933 | Canada. British Columbia. Vancouver Island. |  | ||
| Kalmia polifolia subsp. occidentalis (Small) Abrams | 05122248 |
