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CCDB → Angiosperms → Hydrocharitaceae → Vallisneria → Vallisneria americana Michx.

2 chromosome counts in Vallisneria americana Michx.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Vallisneria americana Michx.	Vallisneria americana Michx.		20	IPCN online	Love, A. & D. Love. 1981b. In Chromosome number reports LXXII. Taxon 30: 699–701.
!		Vallisneria americana Michx.	Vallisneria americana Michx.		20	eFlora