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  2. List of ecoregions in the United States (EPA) - Wikipedia

    en.wikipedia.org/wiki/List_of_ecoregions_in_the...

    The adjoining forests in Canada are generally referred to as the Mixedwood Plains Ecozone or the Great Lakes-St.Lawrence Forest Region. 32 Texas Blackland Prairies; 33 East Central Texas Plains; 34 Western Gulf Coastal Plain; 36 Ouachita Mountains; 37 Arkansas Valley; 38 Boston Mountains; 39 Ozark Highlands; 51 North Central Hardwood Forests ...

  3. Central Great Plains (ecoregion) - Wikipedia

    en.wikipedia.org/wiki/Central_Great_Plains_(eco...

    The Central Great Plains are a prairie ecoregion of the central United States, part of North American Great Plains. The region runs from west-central Texas through west-central Oklahoma, central Kansas, and south-central Nebraska. It is designated as the Central and Southern Mixed Grasslands ecoregion by the World Wide Fund for Nature.

  4. Ozark Highlands (ecoregion) - Wikipedia

    en.wikipedia.org/wiki/Ozark_Highlands_(ecoregion)

    The Springfield Plateau is the only Ozark Highland Level IV ecoregion within all four states. [1] The nearly level to rolling Springfield Plateau is underlain by cherty limestone of the Mississippian Boone Formation and Burlington Limestone; it is less rugged and wooded than Ecoregions 38, 39b, and 39c, and lacks the Ordovician dolomite and limestone of Ecoregions 39c and 39d.

  5. Great Plains ecoregion - Wikipedia

    en.wikipedia.org/wiki/Great_Plains_ecoregion

    The Great Plains extend from Mexico in the south through the central United States to central Canada. Many sub-regions exist within the area. The region is home to many animals, including American bison, pronghorn, mule, and white tailed deer, and birds such as ducks, hawks, and sparrows, along with many invertebrate species.

  6. Cross Timbers - Wikipedia

    en.wikipedia.org/wiki/Cross_Timbers

    More specifically, the Cross Timbers fall into Level II Ecoregion 9.4, the smaller South Central Semi-Arid Plains. [7] In southern Oklahoma, the Cross Timbers are located on the very edge of the Great Plains, as they border directly parts of Level I Ecoregion 8.0, the Eastern Temperate Forests; elsewhere, the Cross Timbers are separated ...

  7. Western Corn Belt Plains - Wikipedia

    en.wikipedia.org/wiki/Western_Corn_Belt_Plains

    The more irregular topography and erosive, silty soils contribute to a mixed land use with less cropland and more pasture and woodland than neighboring regions. The flora of this region is mixed, with shortgrass and mixed-grass prairie and rare xeric species on south and west-facing slopes, and bur-oak woodland and tallgrass prairie on cooler ...

  8. Mississippi Valley Loess Plains (ecoregion) - Wikipedia

    en.wikipedia.org/wiki/Mississippi_Valley_Loess...

    The Loess Plains ecoregion was once a highly productive agricultural area in Mississippi, although many areas are now in pine plantations or have reverted to a mixed forest landscape. The gently rolling to irregular plains are a contrast to the more dissected bluffs of Bluff Hills (74a).

  9. Piedmont (ecoregion) - Wikipedia

    en.wikipedia.org/wiki/Piedmont_(ecoregion)

    The Piedmont ecoregion is a United States ecoregion designated by the U.S. Environmental Protection Agency (EPA) and the Commission for Environmental Cooperation (CEC). ...