Mesembryanthemum placitum N.E.Br. in J. Linn. Soc., Bot. 45: 99. 1920
Mesembryanthemum placitum in J. Linn. Soc., Bot. 45: 99. 1920
is basionym for Conophytum placitum in Gard. Chron., ser. 3, 72: 83. 1922
is basionym for Conophytum ficiforme var. placitum in Kakteen And. Sukk. 25: 247. 1974