Mesembryanthemum knysnanum L.Bolus in Ann. Bolus Herb. 4: 97. 1927
Mesembryanthemum knysnanum in Ann. Bolus Herb. 4: 97. 1927
is basionym for Esterhuysenia knysnana, Ill. Handb. Succ. Pl. Aizoaceae, ed. 2, 1: 582. 2017
is basionym for Ruschia knysnana, Notes Mesembryanthemum 1: 146. 1928
is basionym for Ruschia knysnana var. knysnana