Cylindrophyllum obsubulatum (Haw.) Schwantes in Z. Sukkulentenk. 3: 28. 1927 sec. Hartmann 2017
- ≡Mesembryanthemum obsubulatum Haw., Misc. Nat.: 26. 1803 syn. sec. Hartmann 2017
- –Cylindrophyllum obsubatum (Haw.) Schwantes ex H.Jacobsen, Sukkulent. Lex., ed. 2: 434. 1981, nom. inval., syn. sec. Hartmann 2017