Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
41491
| OR | Yamhill | South Yamhill River, boat ramps, Kiwanis Park, McMinnville and Monroe Landing west of Whiteson. | 2001 |
17090008
| Yamhill | established |
41775
| OR | Yamhill | Willamina Pond, in Huddleston Park, Willamina. | 2001 |
17090008
| Yamhill | established |
297414
| OR | Yamhill | Willamina Pond, in Huddleston Park, Willamina. | 2009 |
17090008
| Yamhill | established |
297418
| OR | Yamhill | Willamina Pond, in Huddleston Park, Willamina. | 2013 |
17090008
| Yamhill | established |