Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
616850
| OR | Columbia | 4.5 mi SSE Rainier, U.S. Hwy. 30 | 1948 |
17080003
| Lower Columbia-Clatskanie | unknown |
854052
| OR | Columbia | Baker Point | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
853998
| OR | Columbia | Deer Island | 2007 |
17080003
| Lower Columbia-Clatskanie | established |
6
| OR | Multnomah | near Portland from Brightwood on the Mount Hood highway, to the Sandy River and then down the Columbia and Willamette to Sauvies Island | 1925 |
17080003
| Lower Columbia-Clatskanie | established |