Zephyranthes howardii Traub Zephyranthes howardii Traub in Pl. Life 19: 48-49. 1963 sec. Espejo-Serna & López-Ferrari 2008=Habranthus howardii (Traub) T.M. Howard in Herbertia 46: 115-117. 1990 syn. sec. Espejo-Serna & López-Ferrari 2008