Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1529704
| TX | Williamson | Lake Georgetown, Cedar Breaks Park | 1985 |
12070205
| San Gabriel | established |
645792
| TX | Williamson | North Fork San Gabriel River, at Lake George (=Lake Georgetown) | 1994 |
12070205
| San Gabriel | established |
1256985
| TX | Williamson | North San Gabriel River, Georgetown, upstream low water crossing Country Club Rd. | 1987 |
12070205
| San Gabriel | established |
1464493
| TX | Williamson | S fork of San Gabriel River at Georgetown | 1980 |
12070205
| San Gabriel | established |
1340748
| TX | Williamson | San Gabriel River [North Fork], Georgetown | 1984 |
12070205
| San Gabriel | established |
1187024
| TX | Williamson | San Gabriel River about 8 km east of Georgetown on Highway 29 | 1979 |
12070205
| San Gabriel | established |
645839
| TX | Williamson | San Gabriel River, at Lake Granger | 1994 |
12070205
| San Gabriel | established |
1468276
| TX | Williamson | San Gabriel River, near Georgetown | 1983 |
12070205
| San Gabriel | established |
52085
| TX | Williamson | San Gabriel River, SR 95 crossing at Circleville | 1981 |
12070205
| San Gabriel | established |
52086
| TX | Williamson | San Gabriel River, SR 95 crossing at Circleville | 1981 |
12070205
| San Gabriel | established |
645881
| TX | Williamson | Turkey Creek | 1994 |
12070205
| San Gabriel | established |