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CCDB → Angiosperms → Plantaginaceae → Penstemon → Penstemon gracilis var. gracilis

2 chromosome counts in Penstemon gracilis var. gracilis:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Penstemon gracilis var. gracilis	Penstemon gracilis Nutt.	8II	16	IPCN online	Freeman, C. C. 1983. Chromosome numbers in Great Plains species of Penstemon (Scrophulariaceae). Brittonia 35(3): 232–238.
		Penstemon gracilis var. gracilis	Penstemon gracilis Nutt.	8II	16	IPCN online	Freeman, C. C. 1983. Chromosome numbers in Great Plains species of Penstemon (Scrophulariaceae). Brittonia 35(3): 232–238.