Opuntia acanthocarpa var. major (Engelm. & J.M.Bigelow) L.D.Benson, Cacti Ariz., ed. 3: 20. 1969
Opuntia acanthocarpa var. major, Cacti Ariz., ed. 3: 20. 1969
is new combination for Opuntia echinocarpa var. major in Proc. Amer. Acad. Arts 3: 305–306. 1856