Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1468061
| AZ | Coconino | Little Colorado River [at RK 10.6-11.5] | 1999 |
15020016
| Lower Little Colorado | established |
158241
| AZ | Mohave | Lake Mead National Recreation Area | 1999 |
15010005
| Lake Mead | established |
158300
| CA | San Francisco | Presidio of San Francisco Park | 1999 |
18050002
| San Pablo Bay | established |
157929
| MD | Washington | Chesapeake and Ohio Canal National Historical Park | 1999 |
02070004
| Conococheague-Opequon | established |
159955
| MT | | Stillwater River | 1999 |
17010208
| Flathead Lake | established |
1332298
| NC | Granville | North Fork Tar River, at US 158 | 1999 |
03020101
| Upper Tar | established |
1332445
| NC | Wake | Swift Creek, at SR 1152 | 1999 |
03020201
| Upper Neuse | established |
159325
| NV | Clark | Lake Mead National Recreation Area | 1999 |
15010005
| Lake Mead | established |
157551
| UT | Grand | Colorado River at Arches National Park | 1999 |
14030005
| Upper Colorado-Kane Springs | established |
157901
| UT | San Juan | Colorado River and Green River at Canyonlands National Park | 1999 |
14070001
| Upper Lake Powell | established |
157969
| UT | Uintah | Green River at Dinosaur National Monument | 1999 |
14060010
| Lower Green-Diamond | collected |
158051
| UT | Wayne | Colorado River at Glen Canyon National Recreation Area, Utah and Arizona | 1999 |
14070001
| Upper Lake Powell | established |