Aristida floridana (Chapm.) Vasey Aristida floridana (Chapm.) Vasey, Descr. Cat. Grass. U.S.: 35. 1885 sec. Dávila & al. 2018=Ortachne floridana (Chapm.) Nash, Fl. S.E. U.S. (ed. 2): 119. 1903 syn. sec. Dávila & al. 2006