Mesembryanthemum cognatum N.E.Br. in J. Linn. Soc., Bot. 45: 113. 1920
Mesembryanthemum cognatum in J. Linn. Soc., Bot. 45: 113. 1920
is basionym for Schwantesia cognata in S. African Gard. 18: 279. 1928
is basionym for Conophyllum cognatum in Z. Sukkulentenk. 3: 321. 1928
is basionym for Mitrophyllum cognatum in Z. Sukkulentenk. 2: 182. 1926