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CCDB → Angiosperms → Cactaceae → Opuntia → Opuntia engelmannii var. engelmannii

6 chromosome counts in Opuntia engelmannii var. engelmannii:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Opuntia engelmannii var. engelmannii	Opuntia engelmannii Salm-Dyck ex Engelm.	33		Baker, 2009
		Opuntia engelmannii var. engelmannii	Opuntia engelmannii Salm-Dyck ex Engelm.	33		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 engelmannii var. engelmannii	Opuntia engelmannii Salm-Dyck ex Engelm.	33		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 engelmannii var. engelmannii	Opuntia engelmannii Salm-Dyck ex Engelm.	33II		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 engelmannii var. engelmannii	Opuntia engelmannii Salm-Dyck ex Engelm.	33II		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 engelmannii var. engelmannii	Opuntia engelmannii Salm-Dyck ex Engelm.		66	eFlora