Neobuxbaumia mezcalaensis var. robusta (E.Y.Dawson) Backeb. in Cact. Succ. J. (Los Angeles) 23: 122. 1951
Neobuxbaumia mezcalaensis var. robusta in Cact. Succ. J. (Los Angeles) 23: 122. 1951
is new combination for Cephalocereus mezcalaensis var. robustus in Allan Hancock Found. Publ. Occas. Pap. 1: 9. 1948