Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
40740
| OR | | upper Klamath Lake basin in Oregon | 1997 |
17100307
| Upper Rogue | unknown |
40698
| OR | | state non-specific | 1929 |
17000000
| Pacific Northwest Region | unknown |
1458900
| OR | | state non-specific | 1994 |
17000000
| Pacific Northwest Region | established |
242800
| OR | | Willamette River | 2007 |
17090000
| Willamette | established |
1658692
| OR | Benton | Long Tom River | 2000 |
17090003
| Upper Willamette | unknown |
1669030
| OR | Benton | Long Tom River | 2000 |
17090003
| Upper Willamette | unknown |
40387
| OR | Benton | Muddy Creek, 12 miles south of Corvallis | 1981 |
17090003
| Upper Willamette | unknown |
40680
| OR | Benton | Squaw Creek at Corvallis (Dunawi Creek) | 1981 |
17090003
| Upper Willamette | unknown |
40389
| OR | Coos | Mingus Park Lake at Coos Bay | 1981 |
17100304
| Coos | unknown |
280801
| OR | Harney | Mann Lake | 2001 |
17120009
| Alvord Lake | eradicated |
280803
| OR | Harney | Mann Lake | 2010 |
17120009
| Alvord Lake | eradicated |
1669025
| OR | Klamath | Klamath River | 2003 |
18010204
| Lost | unknown |
40391
| OR | Linn | private pond near Wiley Creek (trib of South Santiam River, about 10 miles above Foster | 1981 |
17090006
| South Santiam | unknown |
40388
| OR | Linn | Waverly Lake, in Albany | 1981 |
17090003
| Upper Willamette | extirpated |
1679704
| OR | Multnomah | [No locality description provided] | 2021 |
17090012
| Lower Willamette | |
243173
| OR | Multnomah | Columbia Slough, Kelly Point Park | 2002 |
17090012
| Lower Willamette | established |
40392
| OR | Umatilla | Boardman area, irrigation area, mouth of Umatilla River area on Columbia River | 1981 |
17070101
| Middle Columbia-Lake Wallula | unknown |