Mesembryanthemum macowanii L.Bolus in Ann. Bolus Herb. 4: 37. 1926
Mesembryanthemum macowanii in Ann. Bolus Herb. 4: 37. 1926
is basionym for Ruschia macowanii in Natl. Cact. Succ. J. 4: 58. 1949
is basionym for Ruschia macovanii, Sukkulent. Lex., ed. 2: 533. 1981