Best Remnant

Nine-Mile Prairie in Lancaster County, Nebraska, is a 230-acre tallgrass remnant notable for never being plowed, making it a vital historic site for early ecological botanical research.

Avoca Prairie State Natural Area in Iowa County, Wisconsin, is notable for containing the state's largest remaining dry-mesic prairie, situated along the scenic lower Wisconsin River.

Niawathe Prairie in Cedar County, Missouri, is a 320-acre natural area notable for protecting one of the largest remaining undisturbed tracts of tallgrass prairie in the western Ozarks.

The Tolstoi Tall Grass Prairie Preserve in Manitoba, Canada, is a significant conservation area known for protecting severely fragmented tallgrass habitats.

Muralt Bluff Prairie State Natural Area in Green County, Wisconsin, is a dry limestone prairie remnant notable for its rare plant populations and significant Pleistocene-era geology.

Located in Ogle County, Illinois, Belmont Prairie Nature Preserve is a dedicated state preserve protecting a high-quality, undisturbed mesic prairie.

Wah-Sha-She Prairie in Jasper County, Missouri, is a designated natural area notable for protecting biological diversity within a remaining tract of dry-mesic chert prairie.

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.

Parkhill Prairie Preserve in Collin County, Texas, is a public park notable for preserving and restoring 50 acres of native Blackland tallgrass prairie, a critically endangered ecosystem.

Thomson Memorial Prairie in Dane County, Wisconsin, is a dedicated conservation area notable for protecting critical dry-mesic prairie and oak savanna habitats on former agricultural land.

Kishwaukee Prairie in Illinois is a dedicated nature preserve recognized for protecting undisturbed black soil tallgrass prairie and native wildlife.

Shilo Prairie, located within the Canadian Forces Base Shilo in Manitoba, preserves significant tracts of mixed-grass prairie that support rare and endangered prairie species.

Helton Prairie in Harrison County, Missouri, is a small but vital natural area notable for preserving a rare, high-quality remnant of mesic tallgrass prairie in the state's northern region.

Stony Point Prairie in Missouri is a conservation area notable for preserving undisturbed native grasslands and unique geological features in the rugged Osage Plains region.

Zimmerman Prairie is a designated Minnesota Scientific and Natural Area, highly valued for preserving a rare, intact wet meadow tallgrass prairie ecosystem.

Cassian Prairie in Oneida County, Wisconsin, is a state natural area notable for protecting a unique mosaic of sedge meadow, barrens, and tamarack bog.

Pigeon Point Prairie is a preserved native grassland habitat that provides crucial breeding and nesting grounds for regional bird populations and local pollinators.

Fort Erie Prairie in Ontario, Canada, is a protected natural heritage site notable for preserving rare remnants of tallgrass prairie along the Lake Erie shoreline.

Griffith Prairie is a nature preserve in Nebraska managed by the Prairie Plains Resource Institute, serving as a key site for native grassland restoration.

Bamber Prairie is a preserved natural area in the United States, recognized for protecting native grassland ecosystems and their associated biological diversity.