Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
29434
| 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] | 1991 |
18040003
| San Joaquin Delta | failed |
290854
| CA | Los Angeles | Arroyo Seco stream channel in Brookside Golf Course, Pasadena. | 2012 |
18070105
| Los Angeles | failed |
1336281
| CA | Los Angeles | Lincoln Park Lake, south shore | 2013 |
18070105
| Los Angeles | unknown |