Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
241935
| OR | Multnomah | Sandy River, near mouth with the Columbia River [near Troutdale] | 2007 |
17080001
| Lower Columbia-Sandy | established |
241934
| OR | Multnomah | Sandy River, near mouth with the Columbia River [near Troutdale] | 2007 |
17080001
| Lower Columbia-Sandy | established |
551035
| WA | Skamania | Duncan Spring Channel | 2012 |
17080001
| Lower Columbia-Sandy | established |
551036
| WA | Skamania | Duncan Spring Channel | 2012 |
17080001
| Lower Columbia-Sandy | established |
551037
| WA | Skamania | Duncan Spring Channel | 2012 |
17080001
| Lower Columbia-Sandy | established |
547362
| WA | Skamania | Duncan Spring Channel | 2013 |
17080001
| Lower Columbia-Sandy | established |
551032
| WA | Skamania | Duncan Spring Channel | 2013 |
17080001
| Lower Columbia-Sandy | established |
551033
| WA | Skamania | Duncan Spring Channel | 2013 |
17080001
| Lower Columbia-Sandy | established |
551034
| WA | Skamania | Duncan Spring Channel | 2013 |
17080001
| Lower Columbia-Sandy | established |