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CCDB → Angiosperms → Cactaceae → Mammillaria → Mammillaria parkinsonii Ehrenb.

6 chromosome counts in Mammillaria parkinsonii Ehrenb.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Mammillaria parkinsonii Ehrenb.	Mammillaria parkinsonii Ehrenb.	22		IPCN online	Ross, R. 1981. Chromosome counts, cytology and reproduction in the Cactaceae. Amer. J. Bot. 68: 463–470.
		Mammillaria morganiana Tiegel	Mammillaria parkinsonii Ehrenb.		44	Fedorov, 1974	Remski 1954
!		Mammillaria parkinsonii Ehrenb.	Mammillaria parkinsonii Ehrenb.		44, 88	Fedorov, 1974	Remski 1954
!		Mammillaria parkinsonii Ehrenb.	Mammillaria parkinsonii Ehrenb.		88	Fedorov, 1974	Sato D. ~958 {I. 1958)
!		Mammillaria morganiana Tiegel	Mammillaria parkinsonii Ehrenb.		44	Darlington, 1955
!		Mammillaria parkinsonii Ehrenb.	Mammillaria parkinsonii Ehrenb.		44, 88	Darlington, 1955