Schizachyrium scoparium, commonly known as
little bluestem or
beard grass, is a North American prairie grass native to most of the United States, except California, Nevada, and Oregon, and a small area north of the Canada–US border. Its greatest manifestation has always been in the Midwestern prairies. Little bluestem is a perennial bunchgrass and is prominent in tallgrass prairie, along with big bluestem (
Andropogon gerardi), indiangrass (
Sorghastrum nutans<
(Wikipedia)