Hydrodea cryptantha (Hook.f.) N.E.Br. in J. Bot. 66. 1928 Hydrodea cryptantha (Hook.f.) N.E.Br. in J. Bot. 66. 1928is new combination for Mesembryanthemum cryptanthum Hook.f. in Hooker's Icon. Pl. 11: t. 1034. 1868Taxon for this nameHydrodea cryptantha (Hook.f.) N.E.Br.