Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
27463
| AZ | Yuma | Colorado River | 1973 |
15030107
| Lower Colorado | established |
27659
| AZ | Yuma | lower Colorado River | 1954 |
15030107
| Lower Colorado | established |
1334582
| AZ | Yuma | Lower Colorado River at drain extension above Yuma Axis Power Plant | 1980 |
15030107
| Lower Colorado | established |
1334035
| CA | Imperial | Algondia, Colorado River | 1958 |
15030107
| Lower Colorado | established |
1334037
| CA | Imperial | Below Laguna Dam on E&W sides of Colorado R. | 1958 |
15030107
| Lower Colorado | established |
1334038
| CA | Imperial | Below Laguna Dam on E&W sides of Colorado R. | 1958 |
15030107
| Lower Colorado | established |
1334033
| CA | Imperial | Below Laguna dam, westside of Colorado River | 1958 |
15030107
| Lower Colorado | established |