Zigadenus volcanicus Benth. Zigadenus volcanicus Benth., Pl. Hartw.: 96. 1842 sec. Espejo-Serna & López-Ferrari 2008=Zigadenus hintoniorum B.L. Turner in Phytologia 72: 378-381. f. 1. 1992 syn. sec. Espejo-Serna & López-Ferrari 2008