Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1438631
| CA | Sacramento | Fair Oaks, along American River. | 1953 |
18020111
| Lower American | established |
1439900
| CA | Sacramento | near Folsom | 1938 |
18020111
| Lower American | established |
1437393
| CA | Sacramento | Nimbus Overlook. | 1993 |
18020111
| Lower American | established |
1438506
| CA | Sacramento | North shore of the American River upstream of Harrington Way. | 2015 |
18020111
| Lower American | established |
1438551
| CA | Sacramento | Sacramento County, Fair Oaks, along American River. | 1953 |
18020111
| Lower American | established |
1438630
| CA | Sacramento | Sacramento County, Fair Oaks, along American River. | 1955 |
18020111
| Lower American | established |