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CCDB → Angiosperms → Plantaginaceae → Penstemon → Penstemon barrettiae

2 chromosome counts in Penstemon barrettiae:

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Median Minimum Max Distribution

		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Penstemon barrettiae	Penstemon barrettiae A. Gray		16	Darlington, 1955
!		Penstemon barrettiae A. Gray	Penstemon barrettiae A. Gray		16	Fedorov, 1974	Clausen J. et al. 1940b