| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
161250
| WA | | Puget Sound | 1998 |
17110019
| Puget Sound | established |
|
241555
| WA | King | Des Moines Marina, City of Des Moines, Puget Sound. | 1998 |
17110019
| Puget Sound | established |
|
241076
| WA | King | Elliott Bay, Bell Harbor Marina | 2000 |
17110019
| Puget Sound | established |
|
241077
| WA | King | Elliott Bay, Myrtle Edwards Park | 2000 |
17110019
| Puget Sound | established |
|
241553
| WA | Mason | Case Inlet, Fair Harbor Marina, Grapeview, in the northern portion of Case Inlet, in the south sound. | 1998 |
17110019
| Puget Sound | established |
|
241554
| WA | Snohomish | Puget Sound at Edmonds Marina in Edmonds (south of the Edmonds-Kingston ferry terminal) | 1998 |
17110019
| Puget Sound | established |