|
Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1695327
| OR | Benton | Second slough 1 mile upstream of Hyak Park, west bank | 2021 |
17090003
| Upper Willamette | established |
1418764
| OR | Clackamas | Clackamas River at The Cove | 2017 |
17090011
| Clackamas | established |
1419120
| OR | Clackamas | Unnamed pond on private property | 2017 |
17090007
| Middle Willamette | established |
614619
| OR | Clackamas | Willamette River, below locks | 1998 |
17090007
| Middle Willamette | unknown |
1473596
| OR | Clackamas | Willamette River, near Goat Island | 2018 |
17090007
| Middle Willamette | established |
1613719
| OR | Clatsop | Pond near Beerman Creek Lane | 2019 |
17100201
| Necanicum | established |
1419040
| OR | Clatsop | Yeon unit of Lewis and Clark National Historical Park | 2017 |
17100201
| Necanicum | unknown |
1396075
| OR | Columbia | Clatskanie River | 1999 |
17080003
| Lower Columbia-Clatskanie | established |
242991
| OR | Columbia | Trojan Power Plant Pond, Trojan. | 2003 |
17080003
| Lower Columbia-Clatskanie | established |
614608
| OR | Coos | Eel Lake, 13 miles north of Coos Bay on hwy 101, one mile north of Lakeside | 1998 |
17100304
| Coos | unknown |
614618
| OR | Coos | Tenmile Lake | 1998 |
17100304
| Coos | unknown |
1655495
| OR | Douglas | Ben Irving Reservoir | 2020 |
17100302
| South Umpqua | established |
1633045
| OR | Douglas | Private pond | 2019 |
17100303
| Umpqua | established |
615374
| OR | Hood River | Hood River, Port of Hood River Marina | 2013 |
17070105
| Middle Columbia-Hood | established |
1651380
| OR | Josephine | Lake Selmac | 2020 |
17100311
| Illinois | established |
614610
| OR | Klamath | John C Boyle Reservoir, 15 miles west of Klamath Falls on highway 66. | 1998 |
18010206
| Upper Klamath | unknown |
614579
| OR | Klamath | Wood River Canal [N end of Agency Lake] | 2013 |
18010203
| Upper Klamath Lake | unknown |
614606
| OR | Lane | Cottage Grove Reservoir | 1998 |
17090002
| Coast Fork Willamette | unknown |
1695323
| OR | Lane | Dorena Lake at Harms Park | 2021 |
17090002
| Coast Fork Willamette | established |
1695316
| OR | Lane | Dorena Lake near Bluff Creek inlet | 2021 |
17090002
| Coast Fork Willamette | established |
886087
| OR | Lane | Dorena Lake, adjacent to boat ramp and marina | 2015 |
17090002
| Coast Fork Willamette | established |
1633859
| OR | Lane | Dorena Lake, Lane County, Oregon | 2019 |
17090002
| Coast Fork Willamette | established |
280138
| OR | Lincoln | Beaver Creek, near boat ramp at Hwy 101 in Ona State Park | 2011 |
17100205
| Alsea | collected |
877603
| OR | Lincoln | Olalla Reservoir | 2015 |
17100204
| Siletz-Yaquina | established |
1474215
| OR | Linn | South Santiam River arm of Foster Lake | 2018 |
17090006
| South Santiam | established |
|