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CCDB → Angiosperms → Compositae → Helianthus → Helianthus gracilentus A. Gray

7 chromosome counts in Helianthus gracilentus A. Gray:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Helianthus gracilentus A. Gray	Helianthus gracilentus A. Gray	15-17II+0-4I(5)		Asteracea	Heiser 1965 Ann. Missouri Bot. Gard.
!		Helianthus gracilentus A. Gray	Helianthus gracilentus A. Gray	13-15II+4-8I(2)		Asteracea	Heiser 1965 Ann. Missouri Bot. Gard.
		Helianthus gracilentus A. Gray	Helianthus gracilentus A. Gray	13II+2IV, 15II+1IV, 17II(1, 1, 1)		Asteracea	Strother 1972 Amer. J. Bot.
		Helianthus gracilentus A. Gray	Helianthus gracilentus A. Gray	17		IPCN online	Keil, D. J. 1981. In Chromosome number reports LXXII. Taxon 30: 705–706.
		Helianthus gracilentus A. Gray	Helianthus gracilentus A. Gray	17		IPCN72	STROTHER, J.L. 1972. Chromosome studies in western North American Compositae. Amer. J. Bot. 59: 242-247.
!		Helianthus gracilentus A. Gray	Helianthus gracilentus A. Gray		34	eFlora
		Helianthus gracilentus A. Gray	Helianthus gracilentus A. Gray	17		Cave1956supp	Heiser & Smith 1955