Gibbaeum nuciforme (Haw.) Glen & H.E.K.Hartmann, Illustrated handbook of succulent plants. Aizoaceae F – Z: 40. 2001 ["2002"] sec. Thiede 2017
- ≡Mesembryanthemum nuciforme Haw., Observ. Mesembryanthemum 2: 129. 1795 syn. sec. Thiede 2017
- ≡Conophytum nuciforme (Haw.) N.E.Br. in Gard. Chron., ser. 3, 72: 84. 1922 syn. sec. Thiede 2017
- ≡Derenbergia nuciformis (Haw.) Schwantes in Z. Sukkulentenk. 2: 138. 1925 syn. sec. Thiede 2017
- –Gibbaeum pilosulum subsp. nuciforme (Haw.) R.Frandsen in Aloë 38(1-2): 16. 2001, nom. nud., syn. sec. Thiede 2017
- =Mesembryanthemum cryptopodum Kensit in Trans. Roy. Soc. South Africa 1: 150. 1909 syn. sec. Thiede 2017
- ≡Derenbergia cryptopodia (Kensit) Schwantes in Z. Sukkulentenk. 2: 138. 1925 syn. sec. Thiede 2017
- ≡Gibbaeum cryptopodium (Kensit) L.Bolus, Notes Mesembryanthemum 2: 402. 1933 syn. sec. Thiede 2017
- =Mesembryanthemum pilosulum N.E.Br. in J. Linn. Soc., Bot. 45: 98. 1920 syn. sec. Thiede 2017
- ≡Conophytum pilosulum (N.E.Br.) N.E.Br. in Gard. Chron., ser. 3, 71: 214. 1922 syn. sec. Thiede 2017
- ≡Gibbaeum pilosulum (N.E.Br.) N.E.Br. in Gard. Chron., ser. 3, 79: 234. 1926 syn. sec. Thiede 2017
- =Gibbaeum molle N.E.Br. in Gard. Chron., ser. 3, 79: 216. 1926 syn. sec. Thiede 2017
- =Gibbaeum helmiae L.Bolus, Notes Mesembryanthemum 2: 402. 1933 syn. sec. Thiede 2017