Pilosocereus palmeri (Rose) Byles & G.D.Rowley in Cact. Succ. J. Gr. Brit. 19(3): 67. 1957 Pilosocereus palmeri (Rose) Byles & G.D.Rowley in Cact. Succ. J. Gr. Brit. 19(3): 67. 1957is new combination for Cephalocereus palmeri Rose in Contr. U.S. Natl. Herb. 12: 418. 1909Taxon for this namePilosocereus palmeri (Rose) Byles & G.D.Rowley