Lampranthus laetus Lampranthus laetus (L.Bolus) L.Bolus, Notes Mesembryanthemum 3: 169. 1939 sec. Hartmann 20171 wfo-0001293371≡Mesembryanthemum laetum L.Bolus, Notes Mesembryanthemum 2: 189. 1930 syn. sec. Hartmann 20171 wfo-00003699871. Hartmann, H. E. K. 2017 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: SpringerContent