| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1891916
| OR | Washington | [No locality description provided] | 2025 |
17090010
| Tualatin | |
|
1895217
| OR | Washington | [No locality description provided] | 2025 |
17090010
| Tualatin | |
|
41472
| OR | Washington | Dorman Pond, junction of Gales Creek Road and highway 6 | 2001 |
17090010
| Tualatin | established |
|
299881
| OR | Washington | Dorman Pond, junction of Gales Creek Road and highway 6 | 2009 |
17090010
| Tualatin | established |
|
299886
| OR | Washington | Dorman Pond, junction of Gales Creek Road and highway 6 | 2013 |
17090010
| Tualatin | established |
|
41481
| OR | Washington | Tualatin River - from Scholls to mouth | 2001 |
17090010
| Tualatin | established |
|
299900
| OR | Washington | Tualatin River - from Scholls to mouth | 2009 |
17090010
| Tualatin | established |
|
299905
| OR | Washington | Tualatin River - from Scholls to mouth | 2013 |
17090010
| Tualatin | established |