Nananthus gerstneri Nananthus gerstneri (L.Bolus) L.Bolus, Notes Mesembryanthemum 3: 134. 1938 sec. Hartmann 20171 wfo-0000379971≡Aloinopsis gerstneri L.Bolus, Notes Mesembryanthemum 3: 46. 1937 syn. sec. Hartmann 20171 wfo-00005271751. Hartmann, H. E. K. 2017 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: SpringerContent