Pachycereus calvus (Engelm. ex J.M.Coult.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 420. 1909
Pachycereus calvus in Contr. U.S. Natl. Herb. 12: 420. 1909
is new combination for Cereus calvus in Contr. U.S. Natl. Herb. 3(7): 409. 1896
Pachycereus calvus in Contr. U.S. Natl. Herb. 12: 420. 1909
Taxon for this name