Digitaria patens (Swallen) Henrard Digitaria patens (Swallen) Henrard in Blumea 1(1): 99. 1934 sec. Dávila & al. 2018≡Trichachne patens Swallen, Amer. J. Bot. 19(5): 442, f. 5, 1932 syn. sec. Dávila & al. 2006