Echinolaena standleyi (Hitchc.) Stieber Echinolaena standleyi (Hitchc.) Stieber in Syst. Bot. 12: 214. 1987 sec. Dávila & al. 2018≡Ichnanthus standleyi Hitchc. in Contr. U.S. Natl. Herb. 24(9): 662. 1930 syn. sec. Dávila & al. 2006