Engelmann, G. & Bigelow, J.M. (1856), Explorations and surveys for a railroad route from the Mississippi River to the Pacific Ocean. War Department. Route near the thirty-fifth parallel, explored by Lieutenant A.W. Whipple, topographical engineer, in 1853 and 1854. Report on the Botany of the Expedition: Description of the Cactaceae. Pacific Railroad Report 4(5, 3): 51, Pl. XVII, Figs 1-4 [tax. nov.]

• Type: "... was found by Mr. A. Schott south of the Gila river..."

Engelmann, G. (1857), Synopsis of the Cactaceae of the territory of the United States and adjacent regions. Proceedings of the American Academy of Arts and Sciences 3: 307 [secondary reference]

Coulter, J.M. (1 April 1896), Preliminary revision of the North American species of Echinocactus, Cereus, and Opuntia. Contributions from the United States National Herbarium 3(7): 451 [secondary reference]

• Lectotype: "Schott 5 of 1855 in Herb. Mo. Bot. Gard.... Arizona..."

Toumey, J.W. (1898), Botanical Gazette 25: 119 [basionym]

basionym of: Opuntia spinosior (Engelm. & J.M.Bigelow) Toumey legitimate

Backeberg, C. & Knuth, F.M. (1936), Kaktus-ABC, en Haandbog for Fagfolk og Amatorer: 126 [basionym]

basionym of: Cylindropuntia spinosior (Engelm. & J.M.Bigelow) F.M.Knuth legitimate

Benson, L.D. (1982), The Cacti of the United States and Canada: 914 [secondary reference]

• Lectotype: " 'Santa Cruz river valley and further East.' A. Schott, no. 5, VI, 1855, Mo. DUPLICATE: Pom 317797."

Crook, R. & Mottram, R. (2003), Opuntia Index Part 9: S. Bradleya; Yearbook of the British Cactus and Succulent Society 21: 76 [secondary reference]

• Type: "US, Arizona, Gila River S to the Santa Cruz river, Tucson, and further east; Jun 1855, Arthur C. V. Schott 5."

• Text: "HT: Not designated. LT: MO. Designated by Coulter (1896: 451). Superfluously also designated as LT by Benson (1982: 914). IT: POM 317797."

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

nomenclatural synonym of: Cylindropuntia spinosior (Engelm. & J.M.Bigelow) F.M.Knuth legitimate

Chinnock, R.J. (2015), Feral opuntioid cacti in Australia Part 1. Cylindrical -stemmed genera: Austrocylindropuntia, Cylindropuntia and Corynopuntia. Journal of the Adelaide Botanic Gardens Supplement 3: 63 [nomenclatural synonym]

nomenclatural synonym of: Cylindropuntia spinosior (Engelm. & J.M.Bigelow) F.M.Knuth legitimate

Baker, M.A., Cloud-Hughes, M.A., Rebman, J.P. & Majure, L.C. (2019), Nomenclatural changes in Cylindropuntia (Cactaceae). Madroño; Journal of the California Botanical Society 66(3): 93 [secondary reference]

• Lectotype: "Designated by L. D. Benson (Benson 1982), Schott, no. 5, June 1855, MO 2015359!, Isolectotype: POM 317797!."

Baker, M.A., Cloud-Hughes, M.A., Rebman, J.P. & Majure, L.C. (2019), Nomenclatural changes in Cylindropuntia (Cactaceae). Madroño; Journal of the California Botanical Society 66(3): 93 [basionym]

basionym of: Cylindropuntia imbricata subsp. spinosior (Engelm. & J.M.Bigelow) M.A.Baker, Cloud-H. & Majure legitimate

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Cylindropuntia spinosior (Engelm. & J.M.Bigelow) F.M.Knuth legitimate

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