Mesembryanthemum dubitans L.Bolus, Notes Mesembryanthemum 2: 119. 1929
Mesembryanthemum dubitans, Notes Mesembryanthemum 2: 119. 1929
is basionym for Ruschia dubitans, Notes Mesembryanthemum 3: 220. 1950
is basionym for Lampranthus dubitans, Notes Mesembryanthemum 3: 168. 1939