Hymenocallis sonorensis Standl. Hymenocallis sonorensis Standl. in Field Mus. Nat. Hist., Bot. Ser. 17: 229-230. 1937 sec. Espejo-Serna & López-Ferrari 2008=Hymenocallis sinaloaensis Traub in Pl. Life 23: 66-67. 1967 syn. sec. Espejo-Serna & López-Ferrari 2008