Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1657476
| WA | Snohomish | Jones Creek in Ebey Slough | 2021 |
17110011
| Snohomish | established |
1657477
| WA | Snohomish | Steamboat Slough, Snohomish Estuary near Marysville | 2018 |
17110011
| Snohomish | established |
1467713
| WA | Snohomish | Union Slough | 2013 |
17110011
| Snohomish | established |
1467701
| WA | Snohomish | Union Slough | 2013 |
17110011
| Snohomish | established |
1467714
| WA | Snohomish | Union Slough | 2013 |
17110011
| Snohomish | established |
1467676
| WA | Snohomish | Union Slough | 2013 |
17110011
| Snohomish | established |
1467689
| WA | Snohomish | Union Slough | 2013 |
17110011
| Snohomish | established |
1467702
| WA | Snohomish | Union Slough | 2013 |
17110011
| Snohomish | established |
615262
| WA | Snohomish | Union Slough [NE of Everett] | 2013 |
17110011
| Snohomish | unknown |
1680069
| WA | Snohomish | Unnamed Tributary to Ebey Slough | 2021 |
17110011
| Snohomish | established |