Pilosocereus maxonii (Rose) Byles & G.D.Rowley in Cact. Succ. J. Gr. Brit. 19: 67. 1957
Pilosocereus maxonii in Cact. Succ. J. Gr. Brit. 19: 67. 1957
is new combination for Cephalocereus maxonii in Contr. U.S. Natl. Herb. 12: 417. 1909
Pilosocereus maxonii in Cact. Succ. J. Gr. Brit. 19: 67. 1957