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FishNet 2
USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 12090102 | South Concho | Current | NatureServe |
| 12090105 | Concho | Current | NatureServe |
| 12090109 | San Saba | Current | NatureServe |
| 12090202 | North Llano | Current | NatureServe |
| 12090203 | South Llano | Current | NatureServe |
| 12090204 | Llano | Current | NatureServe |
| 12090205 | Austin-Travis Lakes | Current | NatureServe |
| 12090206 | Pedernales | Current | NatureServe |
| 12100201 | Upper Guadalupe | Current | NatureServe |
| 12100302 | Medina | Current | NatureServe |
| 12100304 | Cibolo | Current | NatureServe |
| 12110101 | Nueces Headwaters | Current | NatureServe |
| 12110102 | West Nueces | Current | NatureServe |
| 12110103 | Upper Nueces | Current | NatureServe |
| 12110106 | Upper Frio | Current | NatureServe |
| 12110107 | Hondo | Current | NatureServe |
| 13060005 | Arroyo Del Macho | Historic | NatureServe |
| 13060007 | Upper Pecos-Long Arroyo | Current | NatureServe |
| 13060008 | Rio Hondo | Historic | NatureServe |
| 13060009 | Rio Felix | Historic | NatureServe |
| 13060010 | Rio Penasco | Current | NatureServe |
| 13060011 | Upper Pecos-Black | Current | NatureServe |
| 13070001 | Lower Pecos-Red Bluff Reservoir | Historic | NatureServe |