Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1634144
| SC | Georgetown | US 17 at Sampit River and Co. Rt 42. Ca. 9 miles west of Georgetown | 1996 |
03040207
| Carolina Coastal-Sampit | established |
1421111
| TX | Val Verde | [Locality description not provided] | 2011 |
13040212
| Amistad Reservoir | unknown |
1470804
| TX | Val Verde | Amistad Reservoir | 2007 |
13040212
| Amistad Reservoir | established |
1470936
| TX | Val Verde | Amistad Reservoir | 2008 |
13040212
| Amistad Reservoir | established |
1470826
| TX | Val Verde | Amistad Reservoir | 2011 |
13040212
| Amistad Reservoir | established |
1470727
| TX | Val Verde | Amistad Reservoir | 2014 |
13040212
| Amistad Reservoir | established |
1470805
| TX | Val Verde | Amistad Reservoir | 2016 |
13040212
| Amistad Reservoir | established |
230724
| TX | Val Verde | Rio Grande River, Amistad Reservoir, and at the dam | 1998 |
13040212
| Amistad Reservoir | established |