| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1747715
| ID | Bonner | [No locality description provided] | 2020 |
17010214
| Pend Oreille Lake | |
|
1744611
| ID | Clearwater | [No locality description provided] | 2020 |
17060306
| Clearwater | |
|
1752290
| OR | Yamhill | [No locality description provided] | 2020 |
17090008
| Yamhill | |
|
1679170
| OR | Yamhill | [No locality description provided] | 2020 |
17090007
| Middle Willamette | |
|
1653696
| WA | Clark | Curtain Creek, wetland areas and tributaries | 2020 |
17080003
| Lower Columbia-Clatskanie | established |
|
1744441
| WA | King | [No locality description provided] | 2020 |
17110012
| Lake Washington | |
|
1750858
| WA | Pierce | [No locality description provided] | 2020 |
17110014
| Puyallup | |
|
1652420
| WA | Whatcom | Lake Samish | 2020 |
17110002
| Strait of Georgia | established |