Echinocereus triglochidiatus Engelm. [ Cereus gonacanthus Engelm. & Bigelow]
no HD illustration available (m1)
Echinocereus triglochidiatus Engelm. [Cactaceae]
J. Torrey, Pacif. Railr. Rep., vol. 4 fasicle 3, : t. 5 (1853-1856) [P. Roetter]