Conophytum longum
Conophytum longum in Gard. Chron., ser. 3, 88: 8. 1930 sec. Kew WCVP (2019)1 wfo-0000618868
- ≡Ophthalmophyllum longum in Cact. Succ. J. Gr. Brit. 14: 15. 1952 syn. sec. Hammer & A.J.Young 20172 wfo-0001293702
- =Ophthalmophyllum schlechteri, Sukkulent.: 168. 1933 syn. sec. Hammer & A.J.Young 20173 wfo-0001293709
- ≡Conophytum restitutum in Natl. Cact. Succ. J. 33: 8. 1978 syn. sec. Hammer & A.J.Young 20173 wfo-0000619050
- =Ophthalmophyllum fulleri, Notes Mesembryanthemum 2: 472. 1934 syn. sec. Hammer & A.J.Young 20174 wfo-0001293697
- ≡Conophytum discretum in Natl. Cact. Succ. J. 33: 7. 1978 syn. sec. Hammer & A.J.Young 20174 wfo-0000618712
- =Ophthalmophyllum herrei, Notes Mesembryanthemum 2: 473. 1935 syn. sec. Hammer & A.J.Young 20175 wfo-0000385124
- =Ophthalmophyllum longitubum in J. S. African Bot. 28: 224. 1962 syn. sec. Hammer & A.J.Young 20176 wfo-0001293701
- =Conophytum rawei in Natl. Cact. Succ. J. 33: 7. 1978 syn. sec. Hammer & A.J.Young 20177 wfo-0000619041