Zea diploperennis Iltis, Doebley & R. Guzmán Zea diploperennis Iltis, Doebley & R. Guzmán in Science 203: 186. 1979 sec. Dávila & al. 2018=Zea mexicana subsp. luxurians (Durieu & Asch.) Greb., Verz. Landwirtsch. Gärt. Kulturfl. (ed. 2) 3: 1594-1595. 1986 syn. sec. Dávila & al. 2006