Deschampsia cespitosa, also known as tufted hair grass, and tussock grass, is from the shortgrass prairie. They are cool season, clump forming, and long lived. They are a good choice for covering a large, bare area, as they also self-seed, and fill in quickly.
Variety:
Deschampsia cespitosa 'Bronzeveil' leaves are dark green, semi-evergreen, 2' tall seed heads are translucent buff 2-3' tall, with loose panicles, giving it an airy look zone 4 drought tolerant once established used as groundcover, and for slope stabilization