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CCDB → Angiosperms → Compositae → Silphium → Silphium integrifolium Michx.

18 chromosome counts in Silphium integrifolium Michx.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.	1IV+5II(1)		Asteracea	Settle & F. 1972 Ohio J. Sci.
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.	7II or 1IV+5II(1)		Asteracea	Settle & F. 1972 Ohio J. Sci.
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.	1IV+5II(1)		Asteracea	Settle & F. 1972 Ohio J. Sci.
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.	7II(1)		Asteracea	Settle & F. 1972 Ohio J. Sci.
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.	1IV+5II(1)		Asteracea	Settle & F. 1972 Ohio J. Sci.
		Silphium integrifolium Michx.	Silphium integrifolium Michx.	7(1)		Asteracea	Taylor 1926 Amer. J. Bot.
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.	1IV+5II(1)		Asteracea	Settle & F. 1972 Ohio J. Sci.
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.	7II(1)		Asteracea	Settle & F. 1972 Ohio J. Sci.
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.	7II(1)		Asteracea	Settle & F. 1972 Ohio J. Sci.
		Silphium integrifolium Michx.	Silphium integrifolium Michx.		14	IPCN online	Xu, H. y., M. y. Chang & L. c. Tian. 1992. Studies on the karyotypes of 8 species in Silphium. Chin. Bull. Bot. 9(3): 47–49.
		Silphium integrifolium Michx.	Silphium integrifolium Michx.		14	IPCN67-71	SETTLE, w. J. 1967. The chromosome morphology in the genus Silphium (Compositae). Ohio Jour. Sci. 67: 10-19.
		Silphium integrifolium Michx.	Silphium integrifolium Michx.		14	IPCN73-74	SETTLE, W. J. , T. R. FISHER. 1970. The variations of Silphium integrifolium. Rhodora 72: 536-543.
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.		14	Fedorov, 1974	Taylor W. R. 1926
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.		14	Fedorov, 1974	Fisher T. R.. Cruden 1962 .
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.		16	Fedorov, 1974	Land 1900
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.		16	Fedorov, 1974	Micrrell 1900
!		Silphium integrifolium Michx.	Silphium integrifolium Michx.		16	Fedorov, 1974	Geisler 1931
		Silphium integrifolium Michx.	Silphium integrifolium Michx.	7		Cave1962	Fisher & Cruden 1962