|
| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
33509
| ID | Latah | ponds at Troy (east of Moscow) | 1906 |
17060306
| Clearwater | collected |
|
33508
| ID | Payette | ponds at Payette | 1906 |
17050122
| Payette | collected |
|
546417
| NE | Boyd | Missouri River, above Lewis and Clark | 1999 |
10170104
| Ponca | established |
|
546379
| NE | Boyd | Missouri River, Upper Boyd County, rm870 | 1998 |
10170101
| Lewis and Clark Lake | established |
|
37668
| NE | Boyd | Ponca Creek | 1916 |
10170104
| Ponca | established |
|
546413
| NE | Dakota | Niobrara River, Sta.133 | 2003 |
10170101
| Lewis and Clark Lake | established |
|
546397
| NE | Dixon | Missouri River, Mulberry Bend, rm776 | 1998 |
10170101
| Lewis and Clark Lake | established |
|
37667
| NE | Knox | Bazile Creek | 1938 |
10170101
| Lewis and Clark Lake | established |
|
546409
| NE | Knox | Weigand Creek, 1s 5w Gavins Point Dam, 13e Santee | 1995 |
10170101
| Lewis and Clark Lake | established |
|
40527
| OR | | Willamette River at Mission Bottom | 1888 |
17090007
| Middle Willamette | established |
|
40592
| OR | | state non-specific | 1946 |
17000000
| Pacific Northwest Region | extirpated |
|
40528
| OR | Marion | Willamette River just above Salem | 1888 |
17090007
| Middle Willamette | established |
|
40564
| OR | Polk | Willamette River at Salem | 1893 |
17090007
| Middle Willamette | failed |
|
546396
| SD | Bon Homme | Elkhorn River | 1998 |
10170101
| Lewis and Clark Lake | established |
|
546393
| SD | Bon Homme | Missouri River, Niobrara, rm841 | 1998 |
10170101
| Lewis and Clark Lake | established |
|
546395
| SD | Bon Homme | Missouri River, Ponca Creek, rm848 | 1998 |
10170101
| Lewis and Clark Lake | established |
|
546398
| SD | Yankton | Missouri River, St. Helena, rm 798 | 1998 |
10170101
| Lewis and Clark Lake | established |
|
45830
| WA | | Puget Sound drainage | 1943 |
17110019
| Puget Sound | established |
|
45829
| WA | | Puget Sound drainage | 1983 |
17110019
| Puget Sound | established |
|
239120
| WA | | Columbia River [drainage], lower portion | 1893 |
17080000
| Lower Columbia | established |
|
45924
| WA | Cowlitz | Silver Lake | 1979 |
17080005
| Lower Cowlitz | established |
|
1892218
| WA | Grays Harbor | [No locality description provided] | 2013 |
17100104
| Lower Chehalis | |
|
1892704
| WA | Grays Harbor | [No locality description provided] | 2025 |
17100103
| Upper Chehalis | |
|
268062
| WA | Grays Harbor | Oxbow lake on the Chehalis River, near Malone | 1982 |
17100104
| Lower Chehalis | established |
|
1875663
| WA | King | [No locality description provided; coordinates obscured by collector] | 2024 |
17110012
| Lake Washington | |
|