Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1418909
| WA | San Juan | San Juan Islands drainage | 2017 |
17110003
| San Juan Islands | unknown |
1418493
| WA | Skagit | Cypress Island in Puget Sound | 2017 |
17110002
| Strait of Georgia | unknown |
1428046
| WA | Skagit | Skagit River east of Hamilton | 2017 |
17110007
| Lower Skagit | unknown |
1428045
| WA | Skagit | Skagit River near Lyman | 2017 |
17110007
| Lower Skagit | unknown |
1428044
| WA | Skagit | Skagit River near Mt.Vernon | 2017 |
17110007
| Lower Skagit | unknown |
1418492
| WA | Thurston | Puget Sound, Thurston County, Washington | 2017 |
17110019
| Puget Sound | unknown |