Neolloydia erectocentra var. acunensis (W.T.Marshall) L.D.Benson, Cacti Ariz., ed. 3: 25. 1969 Neolloydia erectocentra var. acunensis (W.T.Marshall) L.D.Benson, Cacti Ariz., ed. 3: 25. 1969is new combination for Echinomastus acunensis W.T.Marshall in Saguaroland Bull. 7: 34. 1953Taxon for this nameNeolloydia erectocentra var. acunensis (W.T.Marshall) L.D.Benson