Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
40536
| OR | | upper Willamette River | 1924 |
17090003
| Upper Willamette | established |
746708
| OR | Benton | LONG TOM RIVER, 100 M UPSTREAM OF BOONE'S BRIDGE TO 600 M DOWNSTREAM OF BOONE'S BRIDGE | 1998 |
17090003
| Upper Willamette | established |
746663
| OR | Lane | MARYS R., BRIDGE AT AVERY PARK TO 100 M UPSTREAM OF MOUTH OF MARY'S R. | 1998 |
17090003
| Upper Willamette | established |
40543
| OR | Lane | Willamette River near Eugene | 1933 |
17090003
| Upper Willamette | established |
40542
| OR | Lane | Willamette River near Eugene | 1939 |
17090003
| Upper Willamette | established |
746650
| OR | Linn | Calapooia | 2002 |
17090003
| Upper Willamette | established |
746695
| OR | Linn | CALAPOOIA RIVER | 1997 |
17090003
| Upper Willamette | established |
746704
| OR | Linn | CALAPOOIA RIVER | 1997 |
17090003
| Upper Willamette | established |
746642
| OR | Linn | Calapooia River. | 2001 |
17090003
| Upper Willamette | established |
746643
| OR | Linn | Calapooia River. | 2001 |
17090003
| Upper Willamette | established |
746631
| OR | Linn | Calapooia. | 2002 |
17090003
| Upper Willamette | established |
746667
| OR | Linn | LONG TOM RIVER @ BUNDY BRIDGE | 1997 |
17090003
| Upper Willamette | established |
40541
| OR | Linn | Willamette River between Harrisburg and Peoria | 1930 |
17090003
| Upper Willamette | established |