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CCDB → Angiosperms → Cactaceae → Opuntia → Opuntia macrocentra Engelm.

17 chromosome counts in Opuntia macrocentra Engelm.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Opuntia macrocentra Engelm.	Opuntia macrocentra Engelm.	11		Baker, 2009
!		Opuntia macrocentra Engelm.	Opuntia macrocentra Engelm.	22		Baker, 2009
!		Opuntia violacea var. castetteri L. D. Benson	Opuntia macrocentra Engelm.	11		IPCN online	Pinkava, D. J. & B. D. Parfitt. 1982. Chromosome numbers in some cacti of western North America IV. Bull Torrey Bot. Club. 109: 121–128.
!		Opuntia violacea var. castetteri L. D. Benson	Opuntia macrocentra Engelm.		22	IPCN online	Weedin, J. F. & A. M. Powell. 1978. Chromosome numbers in Chihuahuan desert Cactaceae. Trans-Pecos Texas. Amer. J. Bot. 65: 531–537.
!		Opuntia violacea var. macrocentra (Engelm.) L. D. Benson	Opuntia macrocentra Engelm.	11		IPCN online	Pinkava, D. J., M. A. Baker, B. D. Parfitt, M. W. Mohlenbrock & R. D. Worthington. 1985. Chromosome numbers in some cacti of western North America-V. Syst. Bot. 10: 471–483.
!		Opuntia violacea var. macrocentra (Engelm.) L. D. Benson	Opuntia macrocentra Engelm.	11		IPCN online	WEEDIN, J. F., A. M. Powell & D. O. Kolle. 1989. Chromosome numbers in Chihuahuan Desert Cactaceae. II. Trans-Pecos Texas. S. W. Naturalist 34: 160–164.
!		Opuntia violacea var. macrocentra (Engelm.) L. D. Benson	Opuntia macrocentra Engelm.		22	IPCN online	Weedin, J. F. & A. M. Powell. 1978. Chromosome numbers in Chihuahuan desert Cactaceae. Trans-Pecos Texas. Amer. J. Bot. 65: 531–537.
!		Opuntia violacea Engelm.	Opuntia macrocentra Engelm.	22		IPCN online	Pinkava, D. J., M. A. Baker, B. D. Parfitt, M. W. Mohlenbrock & R. D. Worthington. 1985. Chromosome numbers in some cacti of western North America-V. Syst. Bot. 10: 471–483.
		Opuntia macrocentra Engelm.	Opuntia macrocentra Engelm.		44	IPCN online	Pinkava, D. J., B. D. Parfitt, M. A. Baker & R. D. Worthington. 1992. Chromosome numbers in some cacti of western North America---VI, with nomenclatural changes. Madroño 39(2): 98–113.
		Opuntia macrocentra Engelm.	Opuntia macrocentra Engelm.	22		IPCN online	Pinkava, D. J., J. P. Rebman & M. A. Baker. 1998. Chromosome numbers in some cacti of western North America---VII. Haseltonia 6: 32–41.
		Opuntia macrocentra Engelm.	Opuntia macrocentra Engelm.	11II		IPCN online	Powell, A. M. & B. L. Turner. 2005. Documented chromosome numbers 2005: 1. Miscellaneous counts from western Texas, mostly trans-Pecos. Sida 21(3): 1663–1664.
		Opuntia macrocentra Engelm.	Opuntia macrocentra Engelm.	11II, 22II		IPCN online	Powell, A. M. & J. F. Weedin. 2005. Documented chromosome numbers 2005: 2. Counts from western Texas, mostly trans-Pecos cacti. Sida 21(3): 1665–1668.
!		Opuntia macrocentra var. minor M. S. Anthony	Opuntia macrocentra Engelm.	22II, c.22II		IPCN online	Powell, A. M. & J. F. Weedin. 2001. Chromosome numbers in Chihuahuan Desert Cactaceae. III. Trans-Pecos Texas. Amer. J. Bot. 88(3): 481–485.
!		Opuntia violacea var. gosseliniana (F. A. C. Weber) L. D. Benson	Opuntia macrocentra Engelm.		22	IPCN72	PINKAVA, D.J., R.C. BROWN, & M.G. MCLEOD. 1972. In IOPB chromosome number reports XXXVIII. Taxon 21: 679-684.
!		Opuntia violacea var. castetteri L. D. Benson	Opuntia macrocentra Engelm.		22	IPCN75-78	Weedin & Powell 1978a
!		Opuntia violacea var. macrocentra (Engelm.) L. D. Benson	Opuntia macrocentra Engelm.		22	IPCN75-78	Weedin & Powell 1978a
!		Opuntia macrocentra Engelm.	Opuntia macrocentra Engelm.		22,44	eFlora