Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1736623
| OR | Benton | Bruce Starker Arts Park | 2023 |
17090003
| Upper Willamette | |
627168
| OR | Clackamas | Mompano Reservoir | 2014 |
17090007
| Middle Willamette | unknown |
851576
| OR | Clatsop | Gearhart | 2011 |
17100201
| Necanicum | established |
289966
| OR | Clatsop | Small pond between Sunset Lake and Sunset Beach | 2011 |
17100201
| Necanicum | unknown |
630412
| OR | Deschutes | Crane Prairie Reservoir, near Rock Creek boat ramp | 2013 |
17070301
| Upper Deschutes | unknown |
1700982
| OR | Jackson | [No locality description provided] | 2022 |
17100308
| Middle Rogue | |
272631
| OR | Jackson | ponds (2) at Jackson County Sports Park off Kershaw Rd. in White City | 2010 |
17100308
| Middle Rogue | established |
269735
| OR | Klamath | Lost River at Crystal Springs Road boat ramp [SE of Klamath Falls] | 2010 |
18010204
| Lost | collected |
1546581
| OR | Klamath | Lost River Reservoir, OR | 2014 |
18010204
| Lost | unknown |
851575
| OR | Lane | Eugene East | 2013 |
17090002
| Coast Fork Willamette | established |
255850
| OR | Linn | Cox Creek at Bain Drive [St.] SE in Albany (also known as Swan Lakes) | 2008 |
17090003
| Upper Willamette | unknown |
255088
| OR | Marion | pond (old rock quarry and log pond) at 3000 Cherry Ave. in Salem | 2008 |
17090007
| Middle Willamette | collected |
558342
| OR | Multnomah | pond at Westmoreland Park in Portland | 2013 |
17090012
| Lower Willamette | unknown |
1321332
| OR | Multnomah | waters at Portland International Raceway in Portland | 2016 |
17090012
| Lower Willamette | unknown |
1740347
| OR | Polk | Morgan Lake at Baskett Slough Refuge | 2023 |
17090007
| Middle Willamette | established |