Monvillea smithiana (Britton & Rose) Backeb. in Blätt. Kakteenf. 1934(12): 7. 1934 Monvillea smithiana (Britton & Rose) Backeb. in Blätt. Kakteenf. 1934(12): 7. 1934is new combination for Cephalocereus smithianus Britton & Rose, Cactaceae 2: 37, f. 46–47. 1920Taxon for this nameMonvillea smithiana (Britton & Rose) Backeb.