Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
28989
| CA | | L.A. Basin | 1976 |
18070105
| Los Angeles | unknown |
28178
| CA | Mono | drainage canal near Oasis | 1984 |
16060010
| Fish Lake-Soda Spring Valleys | established |
28991
| CA | Orange | Orange County flood control canals | 1976 |
18070000
| Southern California Coastal | unknown |
28177
| CA | Orange | Westminster near an aquarium fish farm | 1984 |
18070201
| Seal Beach | unknown |
28179
| CA | Riverside | Drainage canal south of Mecca, at junction of Hwy 111 and Johnson Avenue [St.]. | 1974 |
18100204
| Salton Sea | unknown |