Cephalocereus polygonus (Lam.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 418. 1909
Cephalocereus polygonus in Contr. U.S. Natl. Herb. 12: 418. 1909
is new combination for Cactus polygonus, Encycl. 1(1): 539. 1783
Cephalocereus polygonus in Contr. U.S. Natl. Herb. 12: 418. 1909
Taxon for this name