Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1446598
| CA | Orange | San Diego Creek Channel tributary, 620 m SSE intersection Lake Forest Dr. and Bake Pkwy., Irvine | 2016 |
18070204
| Newport Bay | established |
1439710
| CA | Orange | Southern Coast, Newport Beach, Newport Back Bay, 23rd Street Creek on W side of the bay | 2000 |
18070204
| Newport Bay | established |
1340661
| CA | Orange | Upper Back Bay, Upper Newport Bay Regional Park | 2017 |
18070204
| Newport Bay | established |
247649
| CA | Orange | Upper Newport Bay Reg Park, 23rd Street Creek on W side of the bay | 2000 |
18070204
| Newport Bay | established |