Opuntia chlorotica Engelm. & J.M.Bigelow in Proc. Amer. Acad. Arts 3: 291-292. 1856 sec. Parfitt & Gibson 2003
- =Opuntia tidballii J.M.Bigelow in Pacif. Railr. Rep. Parke, Bot. 4(5): 11. 1857 syn. sec. Kew WCVP (2019)
- ≡Opuntia tidbaldi J.M.Bigelow in Pacif. Railr. Rep. 4: 11. 1856 syn. sec. The Plant List v. 1.1 2013
- =Opuntia palmeri Engelm. ex J.M.Coult. in Contr. U.S. Natl. Herb. 3(7): 423. 1896 syn. sec. TROPICOS 1988+