Thelocactus leucacanthus (Zucc. ex Pfeiff.) Britton & Rose subsp. leucacanthus, Cactaceae (Britton & Rose) 4: 8. 1923 sec. Guzmán & al. 2003
- =Echinocactus ehrenbergii Pfeiff. in Allg. Gartenzeitung 6: 275. 1838 syn. sec. Guzmán & al. 2003
- =Echinocactus porrectus Lem., Cact. aliq. nov.: 17. 1838 syn. sec. Guzmán & al. 2003
- =Thelocactus ehrenbergii (Pfeiff.) F.M. Knuth, Kaktus-ABC: 359. 1936 syn. sec. Guzmán & al. 2003
- =Thelocactus porrectus (Lem.) F.M. Knuth, Kaktus-ABC: 361. 1936 syn. sec. Guzmán & al. 2003
- =Thelocactus leucacanthus var. porrectus (Lem.) Backeb., Cactaceae (Backeberg) 5: 2818. 1961 syn. sec. Guzmán & al. 2003
- =Ferocactus leucacanthus (Zucc. ex Pfeiff.) N.P. Taylor in Cact. Succ. J. Gr. Brit. 41: 90. 1979 syn. sec. Guzmán & al. 2003
- =Thelocactus leucacanthus var. ehrenbergii (Pfeiff.) Bravo in Cact. Suc. Mex. 25: 65. 1980 syn. sec. Guzmán & al. 2003