| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1740609
| WA | Clark | [No locality description provided] | 2015 |
17080001
| Lower Columbia-Sandy | |
|
1750821
| WA | Clark | [No locality description provided] | 2023 |
17080001
| Lower Columbia-Sandy | |
|
1751496
| WA | Clark | [No locality description provided] | 2024 |
17080001
| Lower Columbia-Sandy | |
|
1876229
| WA | Clark | [No locality description provided] | 2024 |
17080001
| Lower Columbia-Sandy | |
|
1876230
| WA | Clark | [No locality description provided] | 2024 |
17080001
| Lower Columbia-Sandy | |
|
239258
| WA | Clark | Lacamas Lake | 2005 |
17080001
| Lower Columbia-Sandy | established |
|
240819
| WA | Clark | Round Lake (connected to Lacamas Lake) | 2005 |
17080001
| Lower Columbia-Sandy | established |
|
240175
| WA | Skamania | Bass Lake | 2005 |
17080001
| Lower Columbia-Sandy | established |