Trichocereus rubinghianus Backeb., Descr. Cact. Nov. 3: 15. 1963 Trichocereus rubinghianus Backeb., Descr. Cact. Nov. 3: 15. 1963is basionym for Echinopsis rubinghiana (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 97. 1974Taxon for this nameTrichocereus rubinghianus Backeb.