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CCDB → Angiosperms → Cactaceae → Cylindropuntia → Opuntia cholla F. A. C. Weber

4 chromosome counts in Opuntia cholla F. A. C. Weber:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Opuntia cholla F. A. C. Weber	Cylindropuntia cholla (F. A. C. Weber) F. M. Knuth	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 cholla F. A. C. Weber	Cylindropuntia cholla (F. A. C. Weber) 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 cholla F. A. C. Weber	Cylindropuntia cholla (F. A. C. Weber) F. M. Knuth	11, 22	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 cholla F. A. C. Weber	Cylindropuntia cholla (F. A. C. Weber) F. M. Knuth		22	IPCN73-74	YUASA, H., H. SHIMIZU, S. KASHIWAI, & N. KONDO. 1974. Chromosome numbers and their bearing on the geographic distribution in the subfamily Opuntioideae (Cactaceae). Rep. Inst. Breed. Research, Tokyo Univ. Agri. No. 4: 1-10.