| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1896125
| WA | Clark | 19102 NE 29th Dr Vancouver WA 98684 | 2024 |
17080001
| Lower Columbia-Sandy | |
|
1896140
| WA | Clark | Fallen Leaf Lake, swamp next to lake | 2024 |
17080001
| Lower Columbia-Sandy | |
|
163860
| WA | Clark | Steigerwald Lake National Wildlife Refuge | 2005 |
17080001
| Lower Columbia-Sandy | established |
|
163843
| WA | Skamania | Franz Lake National Wildlife Refuge [Along the Columbia River, 2.2 km (1.4 mi) WSW of Skamania] | 2005 |
17080001
| Lower Columbia-Sandy | established |
|
163855
| WA | Skamania | Pierce National Wildlife Refuge | 2005 |
17080001
| Lower Columbia-Sandy | established |