Conophytum calculus
Conophytum calculus in Gard. Chron., ser. 3, 71: 231. 1922 sec. Hammer & A.J.Young 20171 wfo-0000618651
- ≡Mesembryanthemum calculus, Mesembr. Portulac.: 289. 1908 syn. sec. Hammer & A.J.Young 20171 wfo-0000371357
- ≡Conophytum calculus var. calculus syn. sec. The Plant List v. 1.1 20132 wfo-0001293063