Aristida purpurascens var. virgata
Lower sheaths shorter or longer than the internodes, glabrous. Glumes 6-7 mm, equal or the lower glumes slightly longer; central awns 13-20 mm, about twice as thick as the lateral awns, divaricate to reflexed at maturity; lateral awns 8-13 mm, erect to ascending.
Md., N.J., Miss., Tex., La., Del., Ala., Tenn., N.C., S.C., Va., Ark., Ga., Ky., Fla., N.Y.
Aristida purpurascens var. virgata grows in wet or moist areas such as seepage bogs, sandy pinelands, and wet prairies of the southeastern United States.