Level III Ecoregions of Texas

Revised April 2000
National Health and Environmental Effects Research Laboratory
U.S. Environmental Protection Agency

23. Arizona/New Mexico Mountains    24. Chihauhuan Deserts    25. Western High Plains    26. Southwestern Tablelands    27. Central Great Plains    29. Central Oklahoma/Texas Plains    30. Edwards Plateau    31. Southern Texas Plains    32. Texas Blackland Prairies    33. East Central Texas Plains    34. Western Gulf Coastal Plains    35. South Central Plains