Ruschia crassa (L.Bolus) Schwantes in Z. Sukkulentenk. 2: 187. 1926 Ruschia crassa (L.Bolus) Schwantes in Z. Sukkulentenk. 2: 187. 1926is new combination for Mesembryanthemum crassum L.Bolus in Ann. Bolus Herb. 4: 38. 1926Taxon for this nameRuschia crassa (L.Bolus) Schwantes in Z. Sukkulentenk. 2: 187. 1926