Opuntia humahuacana (Backeb.) G.D.Rowley in Natl. Cact. Succ. J. 13: 4. 1958 Opuntia humahuacana (Backeb.) G.D.Rowley in Natl. Cact. Succ. J. 13: 4. 1958is new combination for Cylindropuntia humahuacana Backeb., Kaktus-ABC: 119. 1936 ["1935"]Taxon for this nameOpuntia humahuacana (Backeb.) G.D.Rowley