| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
4205
| WA | Grays Harbor | Gray's Harbor, at Peterson Point near entrance to harbor. | 1892 |
17100105
| Grays Harbor | failed |
|
4204
| WA | Grays Harbor | Hoquiam River, at mouth, Grays Harbor | 1892 |
17100105
| Grays Harbor | failed |
|
4202
| WA | Jefferson | Port Townsend Bay | 1896 |
17110019
| Puget Sound | failed |
|
4200
| WA | Jefferson | Puget Sound near Port Townsend. | 1889 |
17110019
| Puget Sound | failed |
|
4198
| WA | Pacific | Cape Disappointment, at the mouth of the Columbia River | 1889 |
17080006
| Lower Columbia | failed |
|
4199
| WA | Pacific | Shoalwater (Willapa) Bay | 1889 |
17100106
| Willapa Bay | failed |
|
4203
| WA | Pacific | Shoalwater (Willapa) Bay | 1896 |
17100106
| Willapa Bay | failed |