Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
259206
| TX | Cameron | Rio Grande, Mouth, near Boca Chica | 1981 |
13090002
| Lower Rio Grande | established |
259202
| TX | Cameron | Rio Grande, near Brownsville | 1981 |
13090002
| Lower Rio Grande | established |
259197
| TX | Hidalgo | Rio Grande, Anzalduas Dam | 1981 |
13090002
| Lower Rio Grande | established |
163993
| TX | Hidalgo | Santa Ana National Wildlife Refuge | 2005 |
13090002
| Lower Rio Grande | established |