Opuntia pygmaea (E.F.Wiegand & Backeb.) G.D.Rowley in Natl. Cact. Succ. J. 13: 5. 1958 Opuntia pygmaea (E.F.Wiegand & Backeb.) G.D.Rowley in Natl. Cact. Succ. J. 13: 5. 1958is new combination for Micropuntia pygmaea E.F.Wiegand & Backeb., Descr. Cact. Nov.: 9. 1957Taxon for this nameOpuntia pygmaea (E.F.Wiegand & Backeb.) G.D.Rowley