Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
931
| CA | Alameda | Cayetano Creek at I-580 ; 430ft elevation | 1992 |
18050004
| San Francisco Bay | established |
930
| CA | Alameda | creek tributary to Alameda Creek; Lowry Rd and Southern Pacific RR | 1966 |
18050004
| San Francisco Bay | established |
933
| CA | Alameda | Datjen Pond, 25 meters south of Hwy 84 at 1km southwest of intersection with East Vineyard Ave., (= 1km southeast of Livermore); elevation 500ft | 1966 |
18050004
| San Francisco Bay | established |
932
| CA | Alameda | Frog Pond, Coyote Hills Regional Park, Newark; 20 ft elevation | 1977 |
18050004
| San Francisco Bay | established |