Acanthocereus occidentalis Britton & Rose, Cactaceae 2: 125, fig. 185. 1920
Acanthocereus occidentalis, Cactaceae 2: 125, fig. 185. 1920
Holotype: Mexico. Sinaloa, vicinity of San blas, near the river in thickets, 4 March 1910, Rose et al. 13431 (US-115513)