Engelmann, G. & Gray, A. (1850), Plantae Lindheimerianae, Part II: An account of a collection of plants made by F.Lindheimer in the western part of Texas, in the years 1845-6, and 1847-8, with critical remarks, descr. Boston Journal of Natural History 6: 207 [tax. nov.]

• Type: "About New Braunfels." [Texas].

Benson, L.D. & Walkington, D.L. (1965), The southern Californian prickly pears--invasion, adulteration, and trial-by-fire. Annals of the Missouri Botanical Garden 52: 273 [secondary reference]

• Lectotype: A. Wislizenus s.n., Aug 1846, Mexico: North of Chihuahua, common as high up as El Paso (MO; ILT: ASU (photo), POM (photo), NY (photo))

Benson, L.D. (1982), The Cacti of the United States and Canada: 930 [secondary reference]

• Lectotype: ""Texas, New Braunfels," F. Lindheimer in 1845, MO (fruit and seeds)."

Telford, I.R.H. in George, A.S. (ed.) (1984), Cactaceae. Flora of Australia 4: 71, Map 90 [secondary reference]

Stajsic, V. & Carr, G.W. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Cactaceae. Flora of Victoria 3: 126, Fig. 26a-j [secondary reference]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 190 [secondary reference]

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Opuntia engelmannii Salm-Dyck ex Engelm. legitimate

---