Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
243208
| OR | Clatsop | Youngs Bay, Wallooskea tideflat. | 2002 |
17080006
| Lower Columbia | established |
243213
| WA | Pacific | Columbia River, Baker bay, Fort Columbia State Park tide flats. | 2002 |
17080006
| Lower Columbia | established |
243210
| WA | Pacific | Columbia River, Baker Bay, Ilwaco Harbor tideflat, outer rocks | 2002 |
17080006
| Lower Columbia | established |
243209
| WA | Pacific | Columbia River, Baker Bay, Ilwaco Harbor. | 2002 |
17080006
| Lower Columbia | established |
243214
| WA | Pacific | Columbia River, Baker Bay, Ilwaco Harbor. | 2002 |
17080006
| Lower Columbia | established |
243207
| WA | Pacific | Columbia River, Baker Bay, Ilwaco Harbor. | 2002 |
17080006
| Lower Columbia | established |
243211
| WA | Pacific | Columbia River, Fort Canby, boat launch, high and low marsh. | 2002 |
17080006
| Lower Columbia | established |
243215
| WA | Pacific | Columbia River, Ilwaco Channel. | 2003 |
17080006
| Lower Columbia | established |
243216
| WA | Pacific | Columbia River, Ilwaco Channel. | 2003 |
17080006
| Lower Columbia | established |
243217
| WA | Wahkiakum | Columbia River, Grays Bay, Grays River mouth. | 2003 |
17080006
| Lower Columbia | established |
243212
| WA | Wahkiakum | Grays River, near Rosburg | 2002 |
17080006
| Lower Columbia | established |