Opuntia Mill., Gard. dict. abr. ed. 4. 2: OP. 1754 sec. Hunt & al. 2006
- =Opuntia subg. Stenopuntia Engelm. in Proc. Amer. Acad. Arts 3: 289. 1856 syn. sec. Bravo-Hollis 1978
- =Platyopuntia Engelm. in Proc. Amer. Acad. Arts 3: 283. 1856 syn. sec. Hunt & al. 2006