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CCDB → Angiosperms → Compositae → Tetragonotheca → Tetragonotheca helianthoides L.

6 chromosome counts in Tetragonotheca helianthoides L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Tetragonotheca helianthoides L.	Tetragonotheca helianthoides L.	17II(5)		Asteracea	Turner & D. 1980a Sida (= J. Bot. Res. Inst. Texas)
		Tetragonotheca helianthoides L.	Tetragonotheca helianthoides L.	17		IPCN66	S. B. Jones 1966
		Tetragonotheca helianthoides L.	Tetragonotheca helianthoides L.	17		IPCN73-74	JONES, S.B. 1973. In IOPB chromosome number reports XLII. Taxon 647-654.
		Tetragonotheca helianthoides L.	Tetragonotheca helianthoides L.	17		IPCN73-74	POWELL, A.M., D.W. KYHOS, & P.H. RAVEN. 1974. Chromosome numbers in Compositae. X. Amer. J. Bot. 61: 909-913.
!		Tetragonotheca helianthoides L.	Tetragonotheca helianthoides L.		34	eFlora
		Tetragonotheca helianthoides L.	Tetragonotheca helianthoides L.		34	Fedorov, 1974	Jones S. B. 19(;6