Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
27718
| AZ | | lower Colorado drainage | 1991 |
15030104
| Imperial Reservoir | established |
28071
| AZ | Yuma | Colorado River,Arizona side, about 500 yards below the confluence of the Palo Verde Lagoon. | 1964 |
15030104
| Imperial Reservoir | established |
29082
| CA | | Colorado River | 1961 |
15030104
| Imperial Reservoir | established |
29076
| CA | | Colorado River | 1976 |
15030104
| Imperial Reservoir | established |
1403273
| CA | | Havasu-Mohave lakes drainage | 1981 |
15030101
| Havasu-Mohave Lakes | established |
1336177
| CA | | Havasu-Mohave lakes drainage | 1981 |
15030101
| Havasu-Mohave Lakes | established |
29460
| CA | | Lower Colorado (HUC6) non-specific | 1991 |
15030100
| Lower Colorado | established |
620679
| CA | Riverside | Colorado River, California | 1984 |
15030104
| Imperial Reservoir | established |
29922
| CA | Riverside | directly below the Palo Verde Diversion Dam, 10 miles north of Blythe | 1961 |
15030104
| Imperial Reservoir | established |
29923
| CA | Riverside | one-half mile above the 26th Avenue County Park, Blythe | 1963 |
15030104
| Imperial Reservoir | established |
39251
| NV | Clark | Lower Colorado (HUC6) non-specific | 1991 |
15030100
| Lower Colorado | established |