Opuntia insularis A.Stewart in Proc. Calif. Acad. Sci., ser. 4, 1: 113. 1911 sec. Anderson & Walkington 1971
- ≡Opuntia galapageia subsp. insularis (A.Stewart) Guiggi in Cactology 5 (Suppl. 8): 11. 2020 syn. sec. ???
- =Opuntia galapageia var. insularis Backeb., Cactaceae 1: 561. 1958 syn. sec. Anderson & Walkington 1971