Ferocactus pottsii
Ferocactus pottsii, Cactaceae 5: 2738. 1961 sec. Hunt 20061
- ≡Echinocactus pottsii, Cact. Hort. Dyck., ed. 1849: 35. 1850 syn. sec. ???
- ≡Echinocactus bicolor var. pottsii, Cact. Hort. Dyck., ed. 1849: 173. 1850 syn. sec. Parfitt & Gibson 20032
- ≡Echinocactus bicolor f. pottsii, Vilm. Blumengärtn., ed. 3, 1: 373. 1894 syn. sec. ???
- ≡Thelocactus pottsii, Cactaceae 4: 12–13. 1923 syn. sec. Kew WCVP (2019)3
- ≡Thelocactus bicolor var. pottsii, Cactaceae 5: 2809. 1961 syn. sec. ???