Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
163247
| TX | Brazoria | Bryan Lake, NE Texas | 1993 |
12040205
| Austin-Oyster | collected |
157702
| TX | Brazoria | Bryan Lake, NE Texas | 1994 |
12040205
| Austin-Oyster | established |
1676928
| TX | Galveston | Centennial Park, Friendswood, TX | 2021 |
12040204
| West Galveston Bay | |
1322290
| TX | Galveston | Clear Creek, a Galveston Bay tributary that is the border between Harris County on the north and Brazoria and Galveston counties on the south | 2005 |
12040204
| West Galveston Bay | established |
550241
| TX | Galveston | San Jacinto River, Kingwood, Texas | 2000 |
12040204
| West Galveston Bay | unknown |
550345
| TX | Galveston | San Jacinto River; San Jacinto River, Kingwood, Texas | 2000 |
12040204
| West Galveston Bay | unknown |