×Espostocactus erectispinus (Rauh & Backeb.) G.D.Rowley in Brit. Cact. Succ. J. 22: 65. 2004 ×Espostocactus erectispinus (Rauh & Backeb.) G.D.Rowley in Brit. Cact. Succ. J. 22: 65. 2004Taxon for this name×Espostocactus erectispinus (Rauh & Backeb.) G.D.Rowley in Brit. Cact. Succ. J. 22: 65. 2004