Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
284647
| MT | Glacier | Upper Two Medicine Lake | 1957 |
10030201
| Two Medicine | established |
284408
| MT | Toole | Devon Reservoir | 1944 |
10030204
| Willow | established |
41011
| OR | Douglas | Galesville Reservoir, 10 miles east of I-5 at Azalea exit | 2001 |
17100302
| South Umpqua | established |
296224
| OR | Douglas | Galesville Reservoir, 10 miles east of I-5 at Azalea exit | 2009 |
17100302
| South Umpqua | established |
296230
| OR | Douglas | Galesville Reservoir, 10 miles east of I-5 at Azalea exit | 2013 |
17100302
| South Umpqua | established |