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- Opuntia polyacantha (category Opuntia)rhodantha. None. Opuntia polyacantha var. arenaria, Opuntia polyacantha var. erinacea, Opuntia polyacantha var. hystricina, Opuntia polyacantha var. nicholii6 KB (433 words) - 20:37, 7 December 2022
- Opuntia polyacantha var. polyacantha (category Opuntia polyacantha)heacockiae G. Arp Opuntia juniper ina Britton & Rose Opuntia polyacantha var. juniperina (Engelmann & J. M. Bigelow) L. D. Benson Opuntia polyacantha var. rufispina (Engelmann)4 KB (283 words) - 22:57, 5 November 2020
- Opuntia engelmannii var. lindheimeri (category Opuntia engelmannii)Basionym: Opuntia lindheimeri Engelmann Boston J. Nat. Hist. 6: 207. 1850 Synonyms: Opuntia lindheimeri var. lehmannii L. D. Benson Opuntia lindheimeri4 KB (319 words) - 22:57, 5 November 2020
- Opuntia stricta (category Opuntia)Misc. Nat., 188. 1803 Synonyms: Opuntia dillenii (Ker Gawler) Haworth Opuntia inermis (de Candolle) de Candolle Opuntia stricta var. dillenii (Ker Gawle4 KB (382 words) - 22:57, 5 November 2020
- Opuntia fragilis (category Opuntia)fragilis Nuttall Gen. N. Amer. Pl. 1: 296. 1818 Synonyms: Opuntia brachyarthra Engelmann & J. M. Bigelow Opuntia fragilis var. brach yarthra (Engelmann & J. M. Bigelow)4 KB (349 words) - 22:57, 5 November 2020
- disturbance has led to invasion of Acacia schaffneri,Juniperus monosperma, Opuntia spp., Prosopis velutina, Quercus chihuahuensis, Q. cordifolia, Q. emoryi133 KB (20,036 words) - 18:33, 13 February 2019