Echinopsis pecheretiana (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 96. 1974 Echinopsis pecheretiana (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 96. 1974is new combination for Helianthocereus pecheretianus Backeb. in Cactus (Paris) 45: 210. 1955Taxon for this nameEchinopsis pecheretiana (Backeb.) H.Friedrich & G.D.Rowley