| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1761726
| OR | Benton | [No locality description provided] | 1916 |
17090003
| Upper Willamette | |
|
1763163
| OR | Benton | [No locality description provided] | 1916 |
17090003
| Upper Willamette | |
|
1760977
| OR | Benton | [No locality description provided] | 1918 |
17090003
| Upper Willamette | |
|
859110
| OR | Benton | Corvallis | 1916 |
17090003
| Upper Willamette | established |
|
859108
| OR | Benton | Corvallis | 1918 |
17090003
| Upper Willamette | established |
|
859117
| OR | Benton | Wren | 1916 |
17090003
| Upper Willamette | established |
|
1762852
| OR | Lane | [No locality description provided] | 1914 |
17090003
| Upper Willamette | |
|
859100
| OR | Lane | Eugene East | 1914 |
17090003
| Upper Willamette | established |
|
1761289
| OR | Polk | [No locality description provided] | 1954 |
17090003
| Upper Willamette | |
|
859119
| OR | Polk | Falls City | 1954 |
17090003
| Upper Willamette | established |