Acanthocereus (Engelm. ex A. Berger) Britton & Rose Acanthocereus (Engelm. ex A. Berger) Britton & Rose, Contr. U.S. Natl. Herb. 12: 432. 1909 sec. Korotkova & al. 2017=Peniocereus subg. Pseudoacanthocereus Sánchez-Mej., Cact. Suc. Mex. 19: 38. 1934 syn. sec. Korotkova & al. 2017