| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1713972
| WA | San Juan | Unnamed waterbody, downstream from impassible culvert | 2023 |
17110003
| San Juan Islands | |
|
1757885
| WA | Spokane | [No locality description provided] | 2018 |
17060109
| Rock | |
|
1876288
| WA | Spokane | [No locality description provided] | 2025 |
17010306
| Hangman | |
|
1340520
| WA | Spokane | 30 Acre Lake (Turnbull National Wildlife Refuge) | 2015 |
17060109
| Rock | unknown |
|
1340521
| WA | Spokane | Blackhorse Lake (Turnbull National Wildlife Refuge) | 2015 |
17060109
| Rock | unknown |
|
238876
| WA | Spokane | Chapman Lake | 2003 |
17060109
| Rock | collected |
|
1340516
| WA | Spokane | Cheever (Pine) Lake (Turnbull National Wildlife Refuge) | 2015 |
17060109
| Rock | unknown |
|
1340515
| WA | Spokane | Kepple Lake (Turnbull National Wildlife Refuge) | 2015 |
17060109
| Rock | unknown |
|
1340522
| WA | Spokane | Turnbull Slough (Turnbull National Wildlife Refuge) | 2015 |
17060108
| Palouse | unknown |
|
1340523
| WA | Spokane | West Isaacson Lake (Turnbull National Wildlife Refuge) | 2015 |
17060109
| Rock | unknown |
|
1340519
| WA | Spokane | Windmill Pond (Turnbull National Wildlife Refuge) | 2015 |
17060109
| Rock | unknown |
|
239099
| WA | Whitman | Pine Creek, tributary to Rock Creek in the Palouse River drainage | 2003 |
17060109
| Rock | collected |
|
275007
| WA | Whitman | Rock Creek | 1999 |
17060109
| Rock | established |
|
239098
| WA | Whitman | Rock Creek | 2003 |
17060109
| Rock | collected |