| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Prosartes oregana S.Watson | G. M. Dawson s.n. Jun 1878 | Canada. British Columbia. Queen Charlottes Islands. | possible type | 319827 |  |
| Prosartes oregana S.Watson | E. Hall 520in part 1871 | United States of America. Oregon. | possible type | 319828 |  |