Cereus engelmannii Parry ex Engelm. in Amer. J. Sci. Arts, ser. 2, 14(42): 338. 1852
Cereus engelmannii in Amer. J. Sci. Arts, ser. 2, 14(42): 338. 1852
is basionym for Echinocereus engelmannii, Cactées: 56. 1868
is basionym for Pilocereus engelmannii in Ill. Hort. 9(Misc.): 97. 1862
is basionym for Echinocereus engelmannii var. engelmannii
Cereus engelmannii in Amer. J. Sci. Arts, ser. 2, 14(42): 338. 1852