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USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 12090102 | South Concho | Current | NatureServe |
| 12090109 | San Saba | Current | NatureServe |
| 12090204 | Llano | Current | NatureServe |
| 12090206 | Pedernales | Current | NatureServe |
| 12100201 | Upper Guadalupe | Current | NatureServe |
| 12100203 | San Marcos | 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 |
| 13020203 | Rio Grande-Albuquerque | Historic | NatureServe |
| 13040203 | Black Hills-Fresno | Current | NatureServe |
| 13040204 | Terlingua | Current | NatureServe |
| 13040206 | Maravillas | Current | NatureServe |
| 13040302 | Lower Devils | Current | NatureServe |
| 13060001 | Pecos Headwaters | Current | NatureServe |
| 13060002 | Pintada Arroyo | Historic | NatureServe |
| 13060003 | Upper Pecos | Current | NatureServe |
| 13060004 | Taiban | Historic | NatureServe |
| 13060007 | Upper Pecos-Long Arroyo | Current | NatureServe |
| 13060008 | Rio Hondo | Historic | NatureServe |
| 13060009 | Rio Felix | Historic | NatureServe |
| 13060011 | Upper Pecos-Black | Current | NatureServe |
| 13070001 | Lower Pecos-Red Bluff Reservoir | Current | NatureServe |
| 13070002 | Delaware | Historic | NatureServe |
| 13070003 | Toyah | Current | NatureServe |
| 13070005 | Barrilla Draw | Current | NatureServe |
| 13070006 | Coyanosa-Hackberry Draws | Current | NatureServe |
| 13070008 | Lower Pecos | Current | NatureServe |
| 13070009 | Tunas | Current | NatureServe |
| 13080001 | Elm-Sycamore | Current | NatureServe |