| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
1671050
| OR | Clatsop | [No locality description provided] | 2016 |
17080006
| Lower Columbia | |
|
1670926
| OR | Clatsop | [No locality description provided] | 2016 |
17080006
| Lower Columbia | |
|
1671199
| OR | Clatsop | [No locality description provided] | 2017 |
17080006
| Lower Columbia | |
|
1673307
| OR | Clatsop | [No locality description provided] | 2019 |
17080006
| Lower Columbia | |
|
1672257
| OR | Clatsop | [No locality description provided] | 2019 |
17080006
| Lower Columbia | |
|
859876
| OR | Clatsop | Astoria | 1929 |
17080006
| Lower Columbia | established |
|
859874
| OR | Clatsop | Cathlamet Bay | 1982 |
17080006
| Lower Columbia | established |
|
859873
| OR | Clatsop | Warrenton | 1990 |
17080006
| Lower Columbia | established |