Dichanthelium oligosanthes (Schult.) Gould  

Family: Poaceae

Few-Anther Witch Grass, more...Heller's Witch Grass, Heller, Heller's Witch Grass, Few-Flowered Panicgrass, Heller's rosette grass, Heller's rosette grass

[Dichanthelium oligosanthes subsp. oligosanthes, moreDichanthelium oligosanthes var. fasciculatum (Torrey) Spellenberg, Dichanthelium oligosanthes var. oligosanthes , Panicum oligosanthes Schult., Panicum scoparium var. angustifolium Vasey, Panicum scoparium var. pauciflorum Scribn.]