Echinopsis ingens (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 96. 1974 Echinopsis ingens (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 96. 1974is new combination for Soehrensia ingens Backeb. in Cact. Succ. J. (Los Angeles) 23: 86. 1951Taxon for this nameEchinopsis ingens (Backeb.) H.Friedrich & G.D.Rowley