| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
160512
| WA | Adams | Sprague Lake (formally Colville Lake) | 1890 |
17060108
| Palouse | collected |
|
45819
| WA | Adams | Sprague Lake (formally Colville Lake) | 1896 |
17060108
| Palouse | collected |
|
46066
| WA | Adams | Sprague Lake (formally Colville Lake) | 1946 |
17060108
| Palouse | established |
|
45957
| WA | Adams | Sprague Lake (formally Colville Lake) | 1979 |
17060108
| Palouse | established |
|
165318
| WA | Adams | Sprague Lake, near Spokane | 1999 |
17060108
| Palouse | established |
|
244680
| WA | Spokane | Downs Lake | 1977 |
17060108
| Palouse | established |
|
240517
| WA | Spokane | Downs Lake | 2005 |
17060108
| Palouse | established |
|
239727
| WA | Spokane | Silver Lake | 2005 |
17060108
| Palouse | established |
|
46068
| WA | Whitman | South Palouse River | 1895 |
17060108
| Palouse | established |
|
45821
| WA | Whitman | South Palouse River | 1895 |
17060108
| Palouse | collected |
|
45958
| WA | Whitman | South Palouse River | 1979 |
17060108
| Palouse | established |