An extension of the great southern forest with rolling terrain covered with pine and hardwood forests
Oak Woods and Prairies
A transition zone between the dense forests of East Texas, and the grassy plains to the west. Park like savannahs and interspersed with stands of hardwoods predominate
Blackland Prairie
Temperate tallgrass prairies with deep topsoil
Gulf Coast Prairies and Marshes
Tallgrass prairies give way to marshes in this region of flat terrain
South Texas Sand Plains
A region of rangeland and shortgrass prairies
South Texas Brush Country
Thorny shrubs and trees have replaced what had been grasslands and savannahs
Edwards Plateau
The Texas Hill Country forms the eastern margins of this region characterized by limestone bedrock and shallow soils
Llano Uplift
An area of exposed ancient bedrock resulting in protruding rock formations such as Enchanted Rock
Rolling Plains
The southern extension of the Great Plains, this region has gently rolling topography cut by stream valleys
High Plains
A sub-region of the Great Plains, this are includes the Llano Estacado in the Texas Panhandle
Trans-Pecos
This region is a northern extension of the Great Chihuahuan Desert
