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CCDB → Angiosperms → Leguminosae → Apios → Apios americana Medik.

6 chromosome counts in Apios americana Medik.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Apios americana Medik.	Apios americana Medik.		22, 33	IPCN online	Bruneau, A. & G. J. Anderson. 1988. Reproductive biology of diploid and triploid Apios americana (Leguminosae). Amer. J. Bot. 75: 1876–1883.
		Apios americana Medik.	Apios americana Medik.		22,33	IPCN online	SEABROOK, J. A. E. & L. A. DIONNE. 1976. Studies on the genus Apios. I. Chromosome number and distribution of Apios americana and A. priceana. Canad. J. Bot. 54: 2567–2572.
		Apios americana Medik.	Apios americana Medik.		22	Fedorov, 1974	Lewis W. H. et al. 1962
		Apios tuberosa Moench	Apios americana Medik.		~40	Fedorov, 1974	Atchison 1949a
!		Apios tuberosa Moench	Apios americana Medik.		c.40	Darlington, 1955	Atchison 1949a
!		Apios americana Medik.	Apios americana Medik.	11		Cannon, 2015	Bruneau, A. & G. J. Anderson, 1988