Ruschia macowanii (L.Bolus) Schwantes in Natl. Cact. Succ. J. 4: 58. 1949 sec. Hartmann 2017
- ≡Mesembryanthemum macowanii L.Bolus in Ann. Bolus Herb. 4: 37. 1926 syn. sec. Hartmann 2017
- ≡Ruschia macovanii (L.Bolus) Schwantes ex H.Jacobsen, Sukkulent. Lex., ed. 2: 533. 1981, nom. illeg., syn. sec. Hartmann 2017