Phiambolia incumbens
Phiambolia incumbens in Bradleya 21: 112. 2003 sec. Hartmann 20171 wfo-0000398708
- ≡Ruschia incumbens, Notes Mesembryanthemum 2: 212. 1930 syn. sec. Hartmann 20171 wfo-0001294000
- =Lampranthus gydouwensis in J. S. African Bot. 29: 13. 1963 syn. sec. Hartmann 20172 wfo-0000361349
- ≡Amphibolia gydouwensis in Bothalia 12: 64. 1976 syn. sec. Hartmann 20172 wfo-0000531803
- ≡Ruschia gydouwensis in Natl. Cact. Succ. J. 33: 7. 1978 syn. sec. Hartmann 20172 wfo-0000401210
- –Amphibolia gydouwensis in J. S. African Bot. 33: 306. 1967, nom. inval. syn. sec. Hartmann 20172 wfo-0001435026