Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1247770
| CA | Los Angeles | Echo Park Lake, N end, Hollywood, Los Angeles | 1984 |
18070104
| Santa Monica Bay | unknown |
1247798
| CA | Los Angeles | Malibu Creek, approx. 0.5 mi. N of Malibu Canyon Rd. tunnel, Malibu Creek St. Park | 2012 |
18070104
| Santa Monica Bay | unknown |
1322097
| CA | Los Angeles | Westlake Lake, Westlake Village | 2014 |
18070104
| Santa Monica Bay | established |