Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
646032
| TX | Brewster | Rio Grande, at Horse Canyon, rkm 1137 | 1998 |
13040205
| Big Bend | established |
646054
| TX | Brewster | Rio Grande, at La Linda at SH 2627, rkm 1140 | 1998 |
13040205
| Big Bend | established |
646044
| TX | Brewster | Rio Grande, Black Gap Wildlife Management Area | 1999 |
13040205
| Big Bend | established |
646270
| TX | Brewster | Rio Grande, gravel bar at Rio Grande Village, Big Bend National Park | 1998 |
13040205
| Big Bend | established |
646036
| TX | Brewster | Rio Grande, gravel bar upstream of Boquillas Crossing, Big Bend Natl Park | 1998 |
13040205
| Big Bend | established |
645774
| TX | Brewster | Rio Grande, Mexican side opposite lower boundary of Big Bend Natl Park | 1994 |
13040205
| Big Bend | established |
646058
| TX | Brewster | Rio Grande, river at Rio Grande Village, Big Bend National Park | 1998 |
13040205
| Big Bend | established |
646066
| TX | Brewster | Rio Grande, Solis canone takeout, Big Bend National Park | 1999 |
13040205
| Big Bend | established |
646129
| TX | Brewster | Rio Grande, upper Boquillas Canyon to Boquillas Crossing, BBNP | 1999 |
13040205
| Big Bend | established |