Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
275923
| AZ | Coconino | Colorado River near confluence with Little Colorado River | 2003 |
15010001
| Lower Colorado-Marble Canyon | established |
158240
| AZ | Mohave | Lake Mead National Recreation Area | 1999 |
15010005
| Lake Mead | established |
1322666
| AZ | Mohave | Virgin River | 2005 |
15010010
| Lower Virgin | established |
1670741
| NV | Clark | Desert Wetlands Park, Las Vegas, NV, US | 2015 |
15010015
| Las Vegas Wash | |
159324
| NV | Clark | Lake Mead National Recreation Area | 1999 |
15010005
| Lake Mead | established |
38658
| NV | Clark | Moapa (Muddy) River | 1972 |
15010012
| Muddy | established |
262406
| NV | Clark | Moapa River, downstream portions | 1967 |
15010012
| Muddy | established |
38726
| NV | Clark | Moapa River, downstream portions | 1984 |
15010012
| Muddy | established |
1322674
| NV | Clark | Virgin River | 2005 |
15010010
| Lower Virgin | established |
39321
| NV | Clark | Virgin River at Bunkerville Rd crossing, approx. 3 miles ne of Bunkerville | 1968 |
15010010
| Lower Virgin | established |
38727
| NV | Clark | Virgin River, downstream portions | 1975 |
15010005
| Lake Mead | established |
262407
| NV | Clark | Virgin River, lower, at Mesquite | 1967 |
15010010
| Lower Virgin | established |
1672110
| NV | Clark | Wetlands Park, Las Vegas, NV, US | 2019 |
15010015
| Las Vegas Wash | |