Prairie grass is a type of vegetation that is native to the grassy plains of North America. Synonyms for prairie grass include tallgrass, bluestem, switchgrass, big bluestem, western wheatgrass, and little bluestem. These grasses are typically tough, drought-resistant plants that thrive in open prairies and savannas. They play an important role in the ecology of these grasslands, providing food and shelter for a variety of animals and insects. Prairie grasses are also important for soil conservation, as their deep roots help to prevent erosion and improve soil quality. Overall, prairie grass is a vital component of the natural landscapes of North America and a crucial element in the preservation of its ecosystems.