- broom grass - any of several grasses of the genus Andropogon; used in broom making
--1 is a kind of grass
--1 is a member of Andropogon, genus Andropogon
--1 has particulars:broom sedge, Andropogon virginicus; broom beard grass, prairie grass, wire grass, Andropogon scoparius, Schizachyrium scoparium