Ritterocereus weberi (J.M.Coult.) Backeb. in Cact. Succ. J. (Los Angeles) 23: 121. 1951 Ritterocereus weberi (J.M.Coult.) Backeb. in Cact. Succ. J. (Los Angeles) 23: 121. 1951is new combination for Cereus weberi J.M.Coult. in Contr. U.S. Natl. Herb. 3(7): 410. 1896Taxon for this nameRitterocereus weberi (J.M.Coult.) Backeb.