Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
902988
| CA | Los Angeles | Castaic Lake | 1988 |
18070102
| Santa Clara | established |
902986
| CA | Los Angeles | Pyramid Lake | 1988 |
18070102
| Santa Clara | established |
902991
| CA | Los Angeles | Pyramid Lake | 1992 |
18070102
| Santa Clara | established |
902994
| CA | Ventura | mouth of Piru Creek, sand bars and flats for ca. 400 m above buoy line | 1992 |
18070102
| Santa Clara | established |
902995
| CA | Ventura | Santa Clara River, between gauging station & Potrero Rd. | 1993 |
18070102
| Santa Clara | established |
748481
| CA | Ventura | Santa Clara River; 2-3 km downstream from Las Brisas bridge, 3-4 km SW Piru. | 1999 |
18070102
| Santa Clara | established |