Echinocereus longisetus (Engelm.) Lemaire [ Cereus longisetus Engelm.]
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Echinocereus longisetus (Engelm.) Lemaire [ Cereus longisetus Engelm.] [Cactaceae]
Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 45 () [P. Roetter]