Borzicactus hempelianus var. rettigii (Quehl) Donald in Natl. Cact. Succ. J. 25: 71. 1970
Borzicactus hempelianus var. rettigii in Natl. Cact. Succ. J. 25: 71. 1970
is new combination for Echinocactus rettigii in Monatsschr. Kakteenk. 29: 129. 1919
Borzicactus hempelianus var. rettigii in Natl. Cact. Succ. J. 25: 71. 1970
Taxon for this name