| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
45830
| WA | | Puget Sound drainage | 1943 |
17110019
| Puget Sound | established |
|
45829
| WA | | Puget Sound drainage | 1983 |
17110019
| Puget Sound | established |
|
239530
| WA | Mason | Mason Lake | 2005 |
17110019
| Puget Sound | established |
|
1875685
| WA | Pierce | [No locality description provided] | 2024 |
17110019
| Puget Sound | |
|
260718
| WA | Pierce | American Lake | 1937 |
17110019
| Puget Sound | established |
|
46161
| WA | Pierce | American Lake | 1943 |
17110019
| Puget Sound | established |
|
239590
| WA | Pierce | American Lake | 2005 |
17110019
| Puget Sound | established |
|
878140
| WA | Pierce | Clover Creek, just S of Lake Steilacoom | 2015 |
17110019
| Puget Sound | established |
|
238883
| WA | Pierce | Spanaway Lake | 2003 |
17110019
| Puget Sound | established |
|
46164
| WA | Pierce | Steilacoom Lake | 1937 |
17110019
| Puget Sound | unknown |
|
238884
| WA | Pierce | Steilacoom Lake | 2003 |
17110019
| Puget Sound | established |
|
239772
| WA | Thurston | Hicks Lake | 2005 |
17110019
| Puget Sound | established |
|
45927
| WA | Thurston | Long Lake | 1979 |
17110019
| Puget Sound | established |
|
46163
| WA | Thurston | Patterson Lake (Pattison Lake) | 1939 |
17110019
| Puget Sound | established |