Echinocereus triglochidiatus Engelm. [ Cereus hexaedrus Engelm. & Bigelow]
      
no HD illustration available (m3)
5 370285 Echinocereus triglochidiatus Engelm. Cactaceae
J. Torrey, Pacif. Railr. Rep., vol. 4 fasicle 3, : t. 5 (1853-1856) [P. Roetter]