| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1757919
| OR | Washington | [No locality description provided] | 2019 |
17090010
| Tualatin | |
|
1758052
| OR | Washington | [No locality description provided] | 2023 |
17090010
| Tualatin | |
|
1758426
| OR | Washington | [No locality description provided] | 2023 |
17090010
| Tualatin | |
|
1758427
| OR | Washington | [No locality description provided] | 2024 |
17090010
| Tualatin | |
|
1891911
| OR | Washington | [No locality description provided] | 2025 |
17090010
| Tualatin | |
|
745334
| OR | Washington | Beaverton Creek at 170th Ave., tributary to Rock Cr., Tualatin drainage | 1982 |
17090010
| Tualatin | established |
|
41471
| OR | Washington | Dorman Pond, junction of Gales Creek Road and highway 6 | 2001 |
17090010
| Tualatin | established |
|
299882
| OR | Washington | Dorman Pond, junction of Gales Creek Road and highway 6 | 2009 |
17090010
| Tualatin | established |
|
299887
| OR | Washington | Dorman Pond, junction of Gales Creek Road and highway 6 | 2013 |
17090010
| Tualatin | established |