| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
558285
| WA | Adams | Hutchinson Lake | 2013 |
17020015
| Lower Crab | unknown |
|
1546782
| WA | Benton | WE Johnson Park. | 2019 |
17030003
| Lower Yakima | established |
|
615377
| WA | Clark | Lacamas Lake at Lacamas Park | 2013 |
17080001
| Lower Columbia-Sandy | established |
|
1883933
| WA | Grant | 1107 Vue Place Moses Lake WA 98837 | 2024 |
17020015
| Lower Crab | |
|
1700109
| WA | King | [No locality description provided] | 2022 |
17110019
| Puget Sound | |
|
1700186
| WA | King | [No locality description provided] | 2022 |
17110012
| Lake Washington | |
|
1700187
| WA | King | [No locality description provided] | 2022 |
17110012
| Lake Washington | |
|
1700188
| WA | King | [No locality description provided] | 2022 |
17110012
| Lake Washington | |
|
1700377
| WA | King | [No locality description provided] | 2022 |
17110019
| Puget Sound | |
|
1701424
| WA | King | [No locality description provided] | 2022 |
17110012
| Lake Washington | |
|
1883932
| WA | King | backyard of 27229 42nd Pl S Auburn WA 98001 | 2024 |
17110013
| Duwamish | |
|
1883935
| WA | King | found near Solid Waste disposal at Muckleshoot | 2024 |
17110014
| Puyallup | |
|
1883926
| WA | King | Freshwater pond along North Beach Trail | 2024 |
17110019
| Puget Sound | |
|
159243
| WA | King | King county | 1995 |
17110012
| Lake Washington | unknown |
|
1883938
| WA | King | Lake Union, Ballard Locks | 2024 |
17110019
| Puget Sound | |
|
1883928
| WA | King | Lake Washington, Union Bay Natural Area | 2024 |
17110012
| Lake Washington | |
|
1883937
| WA | King | Lake Washington, ZQM Site 394 Leschi South Moorage | 2024 |
17110012
| Lake Washington | |
|
1883929
| WA | King | private residence | 2024 |
17110019
| Puget Sound | |
|
1883927
| WA | Pierce | Puyallup Spring Fair | 2024 |
17110014
| Puyallup | |
|
159244
| WA | Snohomish | Puget Sound Drainage | 1995 |
17110011
| Snohomish | unknown |
|
1883939
| WA | Thurston | Saint Clair Lake, Saint Clair Lake | 2024 |
17110015
| Nisqually | |
|
159245
| WA | Thurston | Thurston County | 1995 |
17110019
| Puget Sound | unknown |
|
1883934
| WA | Whatcom | Lake Padden, On branch in lake | 2024 |
17110004
| Nooksack | |
|
1883936
| WA | Whatcom | Private Waterbody, Scudder Pond | 2024 |
17110004
| Nooksack | |