Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1620074
| OR | Clackamas | Mt Hood National Forest | 2004 |
17080001
| Lower Columbia-Sandy | established |
1618879
| OR | Multnomah | Columbia River Gorge National Scenic Area | 2013 |
17080001
| Lower Columbia-Sandy | established |
1628361
| OR | Multnomah | Columbia River Gorge National Scenic Area | 2013 |
17080001
| Lower Columbia-Sandy | established |
1626932
| OR | Multnomah | Columbia River Gorge National Scenic Area | 2018 |
17080001
| Lower Columbia-Sandy | established |
1629124
| OR | Multnomah | Columbia River Gorge National Scenic Area | 2018 |
17080001
| Lower Columbia-Sandy | established |