Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
45753
| WA | | coastal waters | 1881 |
17100102
| Queets-Quinault | established |
45997
| WA | | coastal waters | 1896 |
17100102
| Queets-Quinault | established |
45962
| WA | | coastal waters | 1976 |
17100102
| Queets-Quinault | established |
160486
| WA | | Washington coast between Destruction Island and Umatilla Lightship | 1942 |
17100101
| Hoh-Quillayute | established |
45836
| WA | Grays Harbor | Chehalis River | 1979 |
17100105
| Grays Harbor | established |
268371
| WA | Grays Harbor | Grays Harbor | 1935 |
17100105
| Grays Harbor | established |
160488
| WA | Grays Harbor | Grays Harbor | 1942 |
17100105
| Grays Harbor | collected |
45760
| WA | Grays Harbor | Grays Harbor [Aberdeen, WA] | 1894 |
17100105
| Grays Harbor | established |
160487
| WA | Pacific | Willapa Bay, estuary of Willapa River | 1942 |
17100106
| Willapa Bay | collected |
45838
| WA | Pacific | Willapa River | 1979 |
17100106
| Willapa Bay | established |