Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
156895
| CA | Contra Costa | Clifton Court Forebay near Byron (an 880 hectare storage reservoir located approx. 130 km upstream from the Golden Gate Bridge at the head of the California Aqueduct)[~10 mi NW of Tracy, CA] | 1999 |
18040003
| San Joaquin Delta | collected |
619581
| CA | Contra Costa | Delta - Clifton Court Forebay | 1999 |
18040003
| San Joaquin Delta | established |
619580
| CA | San Joaquin | Delta - Mildred Island | 2001 |
18040003
| San Joaquin Delta | established |
156896
| CA | San Joaquin | Middle River (San Joaquin River) at Mildred Island [~8 mi. W of Stockton, CA] | 2001 |
18040003
| San Joaquin Delta | collected |