Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
28075
| AZ | Yuma | backwater of the Colorado River in Arizona, 2 miles north of San Luis, Sonora | 1953 |
15030107
| Lower Colorado | established |
28076
| AZ | Yuma | Colorado River in Baja California Norte, 2 miles south of Gadsden | 1953 |
15030107
| Lower Colorado | established |