| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1751829
| OR | Marion | [No locality description provided] | 2024 |
17090007
| Middle Willamette | |
|
160516
| OR | Marion | Goose Lake, 7 miles north of Salem | 1942 |
17090007
| Middle Willamette | established |
|
746037
| OR | Marion | WILLAMETTE R. S. OF SALEM MARION CO | 1950 |
17090007
| Middle Willamette | established |
|
40559
| OR | Polk | Willamette River at Salem | 1893 |
17090007
| Middle Willamette | established |
|
1679170
| OR | Yamhill | [No locality description provided] | 2020 |
17090007
| Middle Willamette | |