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CCDB → Angiosperms → Cactaceae → Opuntia → Opuntia microdasys (Lehm.) Pfeiff.

14 chromosome counts in Opuntia microdasys (Lehm.) Pfeiff.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Opuntia microdasys (Lehm.) Pfeiff.	Opuntia microdasys (Lehm.) Pfeiff.	11		IPCN online	Parfitt, B. D. 1978. In IOPB chromosome number reports LIX. Taxon 27: 53–61.
		Opuntia microdasys (Lehm.) Pfeiff.	Opuntia microdasys (Lehm.) Pfeiff.	11		IPCN online	Pinkava, D. J., L. A. MCGILL & T. REEVES. 1977. Chromosome numbers in some cacti of western North America---III. Bull. Torrey Bot. Club 104: 105–110.
		Opuntia microdasys var. albispina Fobe	Opuntia microdasys (Lehm.) Pfeiff.		22	IPCN online	Bandyopadhyay, B. & A. Sharma. 2000. The use of multivariate analysis of karyotypes to determine relationships between species of Opuntia (Cactaceae). Caryologia 53: 121–126.
		Opuntia microdasys var. albispina Fobe	Opuntia microdasys (Lehm.) Pfeiff.		22	IPCN online	Bandyopadhyay, B. 1997. Cytological studies on genus Opuntia (Cactaceae). Proc. Indian Sci. Congr. Assoc. 84(4A): 34.
!		Opuntia microdasys var. minor Salm-Dyck	Opuntia microdasys (Lehm.) Pfeiff.		22	IPCN online	Bandyopadhyay, B. & A. Sharma. 2000. The use of multivariate analysis of karyotypes to determine relationships between species of Opuntia (Cactaceae). Caryologia 53: 121–126.
!		Opuntia microdasys var. minor Salm-Dyck	Opuntia microdasys (Lehm.) Pfeiff.		22	IPCN online	Bandyopadhyay, B. 1997. Cytological studies on genus Opuntia (Cactaceae). Proc. Indian Sci. Congr. Assoc. 84(4A): 34.
!		Opuntia microdasys (Lehm.) Pfeiff.	Opuntia microdasys (Lehm.) Pfeiff.	11		IPCN75-78	Parfitt 1978
!		Opuntia microdasys (Lehm.) Pfeiff.	Opuntia microdasys (Lehm.) Pfeiff.	11		IPCN75-78	Pinkava et al. 1977
!		Opuntia microdasys (Lehm.) Pfeiff.	Opuntia microdasys (Lehm.) Pfeiff.		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.
!		Opuntia microdasys var. albispina Fobe	Opuntia microdasys (Lehm.) Pfeiff.		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.
!		Opuntia microdasys var. albispina Fobe	Opuntia microdasys (Lehm.) Pfeiff.		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.
!		Opuntia microdasys (Lehm.) Pfeiff.	Opuntia microdasys (Lehm.) Pfeiff.		22	eFlora
!		Opuntia microdasys (Lehm.) Pfeiff.	Opuntia microdasys (Lehm.) Pfeiff.		22	Fedorov, 1974	Katagiri 1953
!		Opuntia microdasys (Lehm.) Pfeiff.	Opuntia microdasys (Lehm.) Pfeiff.		22	Darlington, 1955	H 1952