Synonyms: Eberlanzia aculeata; Eberlanzia albertensis; Eberlanzia globularis; Eberlanzia hospitalis; Eberlanzia macroura; Eberlanzia micrantha; Eberlanzia mucronifera; Eberlanzia spinosa (homotypic); Mesembryanthemum aculeatum; Mesembryanthemum hospitale; Mesembryanthemum mucroniferum; Mesembryanthemum mucroniflorum; Mesembryanthemum pulverulentum (heterotypic); Mesembryanthemum spinosum (homotypic); Mesembryanthemum spinosum micranthum; Mesembryanthemum spinosum var. micranthum; Ruschia albertensis; Ruschia globularis; Ruschia macroura