Flora of the Southeastern United States
2022 Edition

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References

For Opuntia

Adanick, P., and M.E. Medley. 2020. Opuntia humifusa sensu stricto (Cactaceae): New to Kentucky (U.S.A.) and confirmed in the Unglaciated Appalachian Plateaus. J. Bot. Res. Inst. Texas 14: 141-146.

Anderson, E.F. 2001. The cactus family. Timber Press, Portland, OR.

Barthlott & Hunt In Kubitzki, K., J.G. Rohwer, and V. Bittrich, eds. 1993. The families and genera of vascular plants. II. Flowering plants – Dicotyledons – Magnoliid, Hamamelid and Caryophyllid families. Springer, Berlin. 653 pp.

Benson, L. 1982. The cacti of the United States and Canada. Stanford Univ. Press, Stanford, California.

Britton & Rose (1920)

Doyle, J.D. 1990. Systematics of the Opuntia humifusa complex. Ph.D. dissertation, University of North Carolina at Chapel Hill.

Majure et al. (2012a, 2012b, 2012c, 2013)

Majure, L.C. 2014. Typifications and a nomenclatural change in some eastern North American Opuntia (Cactaceae). Phytoneuron 2014-106: 1-2.

Majure, L.C. 2012. The Evolution and systematics of the Opuntia humifusa complex. Ph.D. Dissertation. Univ. of Florida. Gainesville.

Majure, L.C., and R. Puente. 2014. Phylogenetic relationships and morphological evolution in Opuntia s. str. and closely related members of tribe Opuntieae. Succulent Plant Research 8: 9-30.

Majure, L.C., W.S. Judd, P.S. Soltis, and D.E. Soltis. 2017. Taxonomic revision of the Opuntia humifusa complex (Opuntieae: Cactaceae) of the eastern United States. Phytotaxa 290 (1): 001-065.

Pinkava, D.J. 2003b. Opuntia. 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.

Pinkava, D.J. 2003e. Nopalea. 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.

Ward, D.B. 2009e. Keys to the flora of Florida – 23, Opuntia (Cactaceae). Phytologia 91: 383-393.