×Espostingia G.D.Rowley in Natl. Cact. Succ. J. 37: 48. 1982 ×Espostingia G.D.Rowley in Natl. Cact. Succ. J. 37: 48. 1982Taxon for this name×Espostingia G.D.Rowley in Natl. Cact. Succ. J. 37: 48. 1982