Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
260765
| BC | | Pacific Ocean, Vancouver Island, British Columbia, Canada | 2007 |
32505700
| Oregon, Washington, Vancouver Coast and Shelf | established |
1442331
| CA | Marin | At Blackie's Pasture, Tiburon. On upper zone of beach/mudflat in the Salicornia habiat and along creek bank flowing into Richardson Bay at Blackie's Pasture. | 2000 |
18050002
| San Pablo Bay | established |
228809
| CA | Marin | Creekside Park Marsh | 1977 |
18050002
| San Pablo Bay | established |
621461
| CA | Marin | Marin County | 1977 |
18050005
| Tomales-Drake Bays | established |
621462
| CA | Marin | Marin County | 1985 |
18050005
| Tomales-Drake Bays | established |
230646
| WA | Island | Camano Island | 1995 |
17110019
| Puget Sound | established |
228807
| WA | Island | Whidby Island | 1995 |
17110019
| Puget Sound | established |
228808
| WA | Snohomish | Port Gardner | 1995 |
17110019
| Puget Sound | established |
228810
| WA | Snohomish | Stillaguamish Estuary, Puget Sound | 1962 |
17110008
| Stillaguamish | established |