Delosperma napiforme (N.E.Br.) Schwantes in Möller's Deutsche Gärtn.-Zeitung 42: 258. 1927 sec. Hartmann 2017
- ≡Mesembryanthemum macrorrhizum DC., Prodr. 3: 425. 1828, nom. illeg., syn. sec. Hartmann 2017
- ≡Mesembryanthemum napiforme N.E.Br. in J. Linn. Soc., Bot. 45: 110. 1920 syn. sec. Hartmann 2017
- –Mestoklema macrorhizum Schwantes in Natl. Cact. Succ. J. 13: 78. 1958, nom. inval., syn. sec. Hartmann 2017