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CCDB → Angiosperms → Onagraceae → Oenothera → Oenothera bistorta var. bistorta

2 chromosome counts in Oenothera bistorta var. bistorta:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Oenothera bistorta var. bistorta	Oenothera bistorta Nutt. ex Torr. & A. Gray	7		Cave1958	Lewis et al. 1958
!		Oenothera bistorta var. bistorta	Oenothera bistorta Nutt. ex Torr. & A. Gray	7		Cave1958	Lewis et al. 1958