Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1617524
| WA | Franklin | Snake River, Lyons Ferry State Park | 2019 |
17060108
| Palouse | established |
1632832
| WA | King | West Spring Lake Drive Southeast Renton, WA in Otter lake | 2019 |
17110012
| Lake Washington | established |
1633842
| WA | Lewis | Lake Scanewa, Cowlitz Falls Day Use Park | 2019 |
17080004
| Upper Cowlitz | established |
1635252
| WA | Snohomish | Martha Lake (Little) near Marysville. | 2019 |
17110011
| Snohomish | established |
1635251
| WA | Snohomish | Martha Lake (Little) near Marysville. | 2019 |
17110011
| Snohomish | established |