Echinopsis huascha var. auricolor (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3: 95. 1974 Echinopsis huascha var. auricolor (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3: 95. 1974is new combination for Trichocereus auricolor Backeb., Kaktus-ABC: 412. 1936 ["1935"]Taxon for this nameEchinopsis huascha var. auricolor (Backeb.) H.Friedrich & G.D.Rowley