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CCDB → Angiosperms → Compositae → Helianthus → Helianthus silphioides Nutt.

3 chromosome counts in Helianthus silphioides Nutt.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Helianthus silphioides Nutt.	Helianthus silphioides Nutt.	17(1)		Asteracea	Sossey-Alaoui, K. et al. 1998 Theor. Appl. Genet.
!		Helianthus silphioides Nutt.	Helianthus silphioides Nutt.		34	eFlora
!		Helianthus silphioides None	Helianthus silphioides Nutt.	17		Cave1956supp	Heiser & Smith 1955