Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1441819
| CA | Placer | Roseville; stream at sw city limits | 1949 |
18020111
| Lower American | established |
1441812
| CA | Sacramento | American River NE of Sacramento, C.M. Goethe Park near Rancho Cordova | 1984 |
18020111
| Lower American | established |
1441597
| CA | Sacramento | Central Valley, 1 mile south of Fair Oaks, along American River | 1961 |
18020111
| Lower American | established |
1441810
| CA | Sacramento | Hidden pond, 100 meters to S of Willow Creek access rd. | 1990 |
18020111
| Lower American | established |