Ruschia muelleri (L.Bolus) Schwantes in Z. Sukkulentenk. 3: 20. 1927 Ruschia muelleri (L.Bolus) Schwantes in Z. Sukkulentenk. 3: 20. 1927is new combination for Mesembryanthemum muelleri L.Bolus in Ann. Bolus Herb. 3: 130. 1922Taxon for this nameRuschia muelleri (L.Bolus) Schwantes in Z. Sukkulentenk. 3: 20. 1927