Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1524347
| CA | Contra Costa | [Big Break, at Piper Lane] | 2018 |
18040003
| San Joaquin Delta | established |
1672108
| CA | Contra Costa | [No locality description provided] | 2018 |
18040003
| San Joaquin Delta | |
1672374
| CA | Contra Costa | [No locality description provided] | 2018 |
18040003
| San Joaquin Delta | |
1678201
| CA | Los Angeles | [No locality description provided] | 2018 |
18070105
| Los Angeles | |
1468878
| CA | Napa | [West Napa Reservoir] | 2018 |
18050002
| San Pablo Bay | established |
1678229
| CA | Sacramento | [No locality description provided] | 2018 |
18020163
| Lower Sacramento | |
1671626
| CA | Solano | [No locality description provided] | 2018 |
18020163
| Lower Sacramento | |
1467161
| CA | Sonoma | [Spring Lake Park] | 2018 |
18010110
| Russian | established |
1468153
| CA | Sonoma | Spring Creek Trail [Spring Lake Park] | 2018 |
18010110
| Russian | established |
1633997
| CA | Ventura | Ventura River, Big Rock Preserve area. In 3 feet of water and shore. Big Rock Preserve, Ventura Land Trust. West of Highway 33. | 2018 |
18070101
| Ventura | established |