References

For Cylindropuntia

Bárcenas, R.T. 2016. A molecular phylogenetic approach to the systematics of Cylindropuntieae (Opuntioideae, Cactaceae). Cladistics 32: 351-359. Google Scholar

Majure, L.C., M.A. Baker, M. Cloud-Hughes, A. Salywon, and K.M. Neubig. 2019. Phylogenomics in Cactaceae: A case study using the chollas sensu lato (Cylindropuntieae, Opuntioideae) reveals a common pattern out of the Chihuahuan and Sonoran deserts. Amer. J. Bot. 106(10): 1327-1345. Google Scholar

Pinkava, D.J. 2003d. Cylindropuntia. In Flora of North America Editorial Committee. 2003b. Flora of North America north of Mexico. Volume 4, Magnoliophyta: Caryophyllidae, part 1. Oxford Univ. Press, New York, NY. 559 pp. Google Scholar