Gibbaeum angulipes Gibbaeum angulipes (L.Bolus) N.E.Br. in Gard. Chron., ser. 3, 81: 430. 1927 sec. Thiede 20171≡Mesembryanthemum angulipes L.Bolus in Ann. Bolus Herb. 4: 2. 1925 syn. sec. Thiede 201711. Thiede 2017: Gibbaeum, Tribulocarpus. – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: SpringerContent