Mesembryanthemum validum Haw. in Philos. Mag. J. 68: 329. 1826
Mesembryanthemum validum in Philos. Mag. J. 68: 329. 1826
is earlier homonym of Mesembryanthemum validum, Monogr. Aloes Mesembr. 1: ยง15 f. 8. 1836
is basionym for Cephalophyllum validum in Gartenflora 77: 69. 1928