Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1421302
| TX | Brazoria | [Locality description not provided] | 2012 |
12040205
| Austin-Oyster | unknown |
231741
| TX | Brazoria | Angleton, farm pond | 1999 |
12040205
| Austin-Oyster | established |
234650
| TX | Brazoria | Angleton, in the freshwater ponds of the bottomland hardwood tracts around Angleton | 2002 |
12040205
| Austin-Oyster | established |
234648
| TX | Brazoria | Lake Jackson, in the freshwater ponds of the bottomland hardwood tracts around the lake | 2002 |
12040205
| Austin-Oyster | established |