Coryphantha robustispina (Ant. Schott ex Engelm.) Britton & Rose subsp. robustispina, Cactaceae (Britton & Rose) 4: 33. 1923 sec. Hunt 2016
- =Echinocactus muehlenpfordti Poselg. in Allg. Gartenzeitung 21: 102. 1853 syn. sec. Guzmán & al. 2003
- =Coryphantha muehlenpfordtii (Poselg.) Britton & Rose, Cactaceae (Britton & Rose) 4: 28. 1923 syn. sec. Guzmán & al. 2003
- =Coryphantha muehlenpfordtii var. robustispina (Ant. Schott ex Engelm.) W.T. Marshall, Arizona's Cact., ed. 2: 94. 1953 syn. sec. Guzmán & al. 2003
- =Coryphantha scheeri var. robustispina (Ant. Schott ex Engelm.) L.D. Benson, Cacti Ariz., ed. 3: 25. 1969 syn. sec. Guzmán & al. 2003
- =Coryphantha muehlenpfordtii subsp. robustispina (Ant. Schott ex Engelm.) Dicht in Kakteen And. Sukk. 47: 252. 1996 syn. sec. Guzmán & al. 2003