Best Mesic Prairie
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Hayden Prairie State Preserve in Iowa is a 240-acre National Natural Landmark protecting one of the largest remaining tracts of unbroken tallgrass prairie in the midwestern US.
Kalsow Prairie State Preserve in Iowa is a historically significant 160-acre tract of unbroken tallgrass prairie, protected in 1954 as one of the state's first prairie preserves.
Steele Prairie State Preserve in Iowa protects a 200-acre remnant of mesic tallgrass prairie, notable for its deep-rooted native grasses and diverse summer wildflowers.
Loda Cemetery Prairie Nature Preserve in Illinois protects high-quality undisturbed tallgrass prairie sod that survives within the bounds of a historic rural pioneer cemetery.
Wolf Road Prairie is a nature preserve in Cook County, Illinois, notable for being one of the few remaining undisturbed black soil tallgrass prairies in the region.
Kishwaukee Prairie in Illinois is a dedicated nature preserve recognized for protecting undisturbed black soil tallgrass prairie and native wildlife.
Spring Valley Prairie in Illinois is a notable nature area recognized for its preserved native tallgrass ecosystems and environmental education programs.
Prospect Cemetery Prairie is an Illinois Nature Preserve established in 1976 that protects high-quality black soil prairie remnant within an historic cemetery.
