Drosanthemum papillatum Drosanthemum papillatum L.Bolus, Notes Mesembryanthemum 2: 23. 1928 sec. Hartmann 20171≡Delosperma papillatum (L.Bolus) L.Bolus in J. S. African Bot. 28: 303. 1962 syn. sec. Hartmann 201711. Hartmann, H. E. K. 2017 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: SpringerContent