| Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
|
1844919
| floating primrose-willow | OR | Benton | [No locality description provided] | 2021 |
17090003
| Upper Willamette | |
|
1844920
| floating primrose-willow | OR | Benton | [No locality description provided] | 2021 |
17090003
| Upper Willamette | |
|
1828104
| floating primrose-willow | OR | Benton | Willamette River | 2018 |
17090003
| Upper Willamette | |
|
1841069
| floating primrose-willow | OR | Benton | Willamette River | 2020 |
17090003
| Upper Willamette | |
|
1844936
| floating primrose-willow | OR | Benton | Willamette River | 2021 |
17090003
| Upper Willamette | |
|
1761723
| floating primrose-willow | OR | Linn | [No locality description provided] | 1979 |
17090003
| Upper Willamette | |
|
1762202
| floating primrose-willow | OR | Linn | [No locality description provided] | 1979 |
17090003
| Upper Willamette | |
|
1762134
| floating primrose-willow | OR | Linn | [No locality description provided] | 2008 |
17090003
| Upper Willamette | |
|
262752
| floating primrose-willow | OR | Linn | NE of Corvallis, Riverside Drive | 1979 |
17090003
| Upper Willamette | collected |
|
854424
| floating primrose-willow | OR | Linn | Riverside | 1979 |
17090003
| Upper Willamette | established |
|
854425
| floating primrose-willow | OR | Linn | Riverside | 1979 |
17090003
| Upper Willamette | established |
|
854423
| floating primrose-willow | OR | Linn | Riverside | 2008 |
17090003
| Upper Willamette | established |
|
1828084
| floating primrose-willow | OR | Linn | Willamette River | 2018 |
17090003
| Upper Willamette | |
|
1824019
| floating primrose-willow | OR | Marion | Willamette River | 2016 |
17090003
| Upper Willamette | |