Oreocereus doelzianus (Backeb.) Borg, Cacti, ed. 1: 115. 1937 sec. Hunt 2006
- ≡Morawetzia doelziana Backeb. in Jahrb. Deutsch. Kakteen-Ges. 1: 73. 1936 syn. sec. Hunt 2006
- ≡Borzicactus doelzianus (Backeb.) Kimnach in Cact. Succ. J. (Los Angeles) 32: 59. 1960 syn. sec. Hunt 2006
- =Morawetzia doelziana var. fuscatispina Backeb., Kakteenlex.: 281. 1966 syn. sec. Hunt 2006