Andropogon scoparius var. septentrionalis Fernald & Griscom
Andropogon scoparius var. septentrionalis Fernald & Griscom is a synonym sensu FNA Ed. Comm., 2003b of:
Schizachyrium scoparium (Michaux) Nash var. scoparium, an accepted variety name sensu FNA Ed. Comm., 2003b.