Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
50700
| CA | Imperial | Colorado River, lower | 1968 |
15030104
| Imperial Reservoir | established |
50698
| CA | San Bernardino | Colorado Aqueduct, near Gene Pumping Plant | 1968 |
15030104
| Imperial Reservoir | established |
889172
| CA | San Bernardino | Colorado River, [0.8 mi. NW of Parker?] | 1972 |
15030104
| Imperial Reservoir | established |
889175
| CA | San Bernardino | Colorado River, [0.8 mi. NW of Parker?] | 1972 |
15030104
| Imperial Reservoir | established |