Panicum hirtum Lam. Panicum hirtum Lam., Encycl. 4: 741. 1798 sec. Dávila & al. 2018=Panicum axipilium Steud., Syn. Pl. Glumac. 1: 79. 1855 syn. sec. Dávila & al. 2006=Panicum heterostachyum Hack. in Oesterr. Bot. Z. 51: 430. 1901 syn. sec. Dávila & al. 2006