Dominated by tall and mid-grasses: little bluestem, big bluestem, switchgrass, Indian grass. Habitat for bison, pronghorn, prairie dogs.
Scattered live oak, post oak, blackjack oak. Provide shade, nesting, acorns for wildlife.
Along waterways: cottonwoods, willows, elms, pecans. Critical for fish, birds, aquatic species.
Southern areas: scattered mesquite (Prosopis glandulosa) with deep roots accessing groundwater.
Low-lying river areas: pecan, cottonwood, willow, ash. Support deer, squirrels, raccoons, diverse birds.
This mosaic creates a rich ecosystem across the region.