| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1739156
| OR | Washington | [No locality description provided] | 2023 |
17090010
| Tualatin | |
|
1893198
| OR | Washington | [No locality description provided] | 2025 |
17090010
| Tualatin | |
|
41470
| OR | Washington | Dorman Pond, junction of Gales Creek Road and highway 6 | 2001 |
17090010
| Tualatin | established |
|
299880
| OR | Washington | Dorman Pond, junction of Gales Creek Road and highway 6 | 2009 |
17090010
| Tualatin | established |
|
299885
| OR | Washington | Dorman Pond, junction of Gales Creek Road and highway 6 | 2013 |
17090010
| Tualatin | established |
|
41479
| OR | Washington | Henry Hagg Lake, west of highway 47 about 5 miles south of Forest Grove | 2001 |
17090010
| Tualatin | established |
|
299892
| OR | Washington | Henry Hagg Lake, west of highway 47 about 5 miles south of Forest Grove | 2009 |
17090010
| Tualatin | established |
|
299897
| OR | Washington | Henry Hagg Lake, west of highway 47 about 5 miles south of Forest Grove | 2013 |
17090010
| Tualatin | established |
|
41465
| OR | Washington | Tualatin River - from Scholls to mouth | 2001 |
17090010
| Tualatin | established |
|
299903
| OR | Washington | Tualatin River - from Scholls to mouth | 2009 |
17090010
| Tualatin | established |
|
299909
| OR | Washington | Tualatin River - from Scholls to mouth | 2013 |
17090010
| Tualatin | established |