Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
275922
| AZ | Coconino | Colorado River near confluence with Little Colorado River | 2003 |
15010001
| Lower Colorado-Marble Canyon | established |
267226
| AZ | Coconino | Lower Colorado River at river kilometer 191.8, downstream of Royal Arch Creek | 1981 |
15010002
| Grand Canyon | established |
267227
| AZ | Coconino | Lower Colorado River between river kilometers 105.44 and 123.47 | 1981 |
15010001
| Lower Colorado-Marble Canyon | established |
267225
| AZ | Mohave | Colorado River | 1981 |
15010002
| Grand Canyon | established |
267224
| AZ | Mohave | Colorado River, north of Truxton | 1981 |
15010005
| Lake Mead | established |
38754
| NV | Clark | certain small streams tributary to Lake Mead | 1984 |
15010005
| Lake Mead | established |