Ruschia maxima (Haw.) L.Bolus in Fl. Pl. Africa 26: t. 1013. 1947 sec. Hartmann 2017
- ≡Mesembryanthemum maximum Haw., Observ. Mesembryanthemum 2: 402. 1795 syn. sec. Hartmann 2017
- ≡Astridia maxima (Haw.) Schwantes in Z. Sukkulentenk. 3: 16. 1927 syn. sec. Hartmann 2017