Hallianthus planus (L.Bolus) H.E.K.Hartmann in Bot. Jahrb. Syst. 104: 167. 1983 sec. Hartmann 2017
- ≡Mesembryanthemum planum L.Bolus in Ann. Bolus Herb. 4: 12. 1925 syn. sec. Hartmann 2017
- ≡Leipoldtia plana (L.Bolus) L.Bolus in Fl. Pl. South Africa 7: t. 260. 1927 syn. sec. Hartmann 2017
- =Leipoldtia compressa L.Bolus, Notes Mesembryanthemum 2: 188. 1930 syn. sec. Hartmann 2017
- ≡Leipoldtia compressa var. compressa syn. sec. The Plant List v. 1.1 2013
- =Leipoldtia compressa var. lekkersingensis L.Bolus in J. S. African Bot. 33: 67. 1967 syn. sec. Hartmann 2017