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CCDB → Angiosperms → Cactaceae → Cylindropuntia → Opuntia whipplei Engelm. & J. M. Bigelow

3 chromosome counts in Opuntia whipplei Engelm. & J. M. Bigelow:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Opuntia whipplei Engelm. & J. M. Bigelow	Cylindropuntia whipplei (Engelm. & J. M. Bigelow) F. M. Knuth	11		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 whipplei Engelm. & J. M. Bigelow	Cylindropuntia whipplei (Engelm. & J. M. Bigelow) F. M. Knuth	11, 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 whipplei Engelm. & J. M. Bigelow	Cylindropuntia whipplei (Engelm. & J. M. Bigelow) F. M. Knuth	11		IPCN73-74	PINKAVA, D.J., M.G. MCLEOD, L.A. MCGILL, & R.C. BROWN. 1973. Chromosome numbers in some cacti of western North America-II. Brittonia 25: 2-9.