Echinocereus triglochidiatus Engelm. [ Cereus triglochidiatus Engelm.]
      
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6 370285 Echinocereus triglochidiatus Engelm. Cactaceae
J. Torrey, Pacif. Railr. Rep., vol. 4 fasicle 3, : t. 4 (1853-1856) [P. Roetter]