Disphyma clavellatum (Haw.) Chinnock in New Zealand J. Bot. 14: 78. 1976 sec. Hartmann 2017
- ≡Mesembryanthemum clavellatum Haw., Misc. Nat.: 79. 1803 syn. sec. Hartmann 2017
- ≡Ruschia clavellata (Haw.) H.Jacobsen, Handb. Succ. Pl. 3: 1374. 1960 syn. sec. Hartmann 2017
- ≡Disphyma crassifolium subsp. clavellatum (Haw.) Chinnock, Fl. S. Austral. 1: 194. 1986 syn. sec. Hartmann 2017
- =Disphyma blackii Chinnock in New Zealand J. Bot. 9: 338. 1971 syn. sec. Hartmann 2017