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Ecoregions of Oklahoma

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To check where a specific point lies, you can look it up in our Ecoregion Locator.

↑Map Legend & Subregion List

This list will help you navigate the regions in case you have problems with viewing or clicking the interactive map above.

Name†Color on Map
Rolling Sand Plains○
Moderate Relief Plains○
Flat Tablelands and Valleys○
Caprock Canyons, Badlands, and Breaks○
Prairie Tableland○
Pleistocene Sand Dunes○
Red River Tablelands○
Gypsum Hills○
Rolling Red Hills○
Cross Timbers Transition○
Grand Prairie○
Arbuckle Uplift○
Northwestern Cross Timbers○
Northern Post Oak Savanna○
Floodplains and Low Terraces○
Cretaceous Dissected Uplands○
Blackland Prairie○
Lower Canadian Hills○
Western Ouachitas○
Springfield Plateau○
Dissected Springfield Plateau-Elk River Hills○
Lower Boston Mountains○
Pleistocene Fluvial Terraces○
Red River Bottomlands○
Athens Plateau○
Scattered High Ridges and Mountains✓
Arkansas River Floodplain✓
Osage Cuestas○
Cherokee Plains○
Canadian/Cimarron High Plains○
Canadian/Cimarron Breaks○
Red Prairie○
Broken Red Plains○
Mesa de Maya/Black Mesa○
Western Cross Timbers○
Wichita Mountains○
Salt Plains○
Limestone Hills○
Flint Hills○
Arbuckle Mountains○
Northern Cross Timbers○
Eastern Cross Timbers○
Central Mountain Ranges○
Fourche Mountains○
Western Ouachita Valleys○
Arkansas Valley Plains○

† Status: ✓ = Complete ○ = Needs Image … = Incomplete ∅ = Stub Only

↑Progress

Partially Complete
13%
With Images
4%
Complete w/ Images
4%

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