Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
746710
| OR | Clackamas | WILLAMETTE R. 10000 M UPSTREAM OF I-5 BRIDGE TO 7500 M DOWNSTREAM OF MOLLALA RIVER ST | 1998 |
17090007
| Middle Willamette | established |
746670
| OR | Clackamas | WILLAMETTE R. 10000 M UPSTREAM OF I-5 BRIDGE TO 7500 M DOWNSTREAM OF MOLLALA RIVER ST | 1998 |
17090007
| Middle Willamette | established |
295359
| OR | Clackamas | Willamette River sloughs, from Milwaukie to mouth of Pudding River | 2009 |
17090007
| Middle Willamette | established |
295751
| OR | Clackamas | Willamette River sloughs, from Milwaukie to mouth of Pudding River | 2009 |
17090007
| Middle Willamette | established |
295757
| OR | Clackamas | Willamette River sloughs, from Milwaukie to mouth of Pudding River | 2013 |
17090007
| Middle Willamette | established |
746689
| OR | Marion | WILLAMETTE R. | 1997 |
17090007
| Middle Willamette | established |