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CCDB → Angiosperms → Compositae → Lactuca → Lactuca graminifolia Michx.

16 chromosome counts in Lactuca graminifolia Michx.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Lactuca graminifolia var. graminifolia	Lactuca graminifolia Michx.	17(1)		Asteracea	Tomb et al. 1978 Amer. J. Bot.
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.	6-7II+12-14I(1)	26(1)	Asteracea	Whitaker & T. 1941 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.)
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.	17II(1)		Asteracea	Whitaker & T. 1941 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.)
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.	6-7II+12-14I(1)	26(1)	Asteracea	Whitaker ＆ T. 1941 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.)
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.	9II+8I(1)	26(1)	Asteracea	Whitaker & T. 1941 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.)
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.	8II+10I(1)	26(1)	Asteracea	Whitaker ＆ T. 1941 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.)
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.	8II+10I(1)	26(1)	Asteracea	Whitaker & T. 1941 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.)
		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.	17(1)		Asteracea	Whitaker & J. 1939 J. Agric. Res.
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.	9II+8I(1)	26(1)	Asteracea	Whitaker ＆ T. 1941 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.)
		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.	17II		IPCN online	Sundberg, S. D., C. P. Cowan & B. L. Turner. 1986. Chromosome counts of Latin American Compositae. Amer. J. Bot. 73(1): 33–38.
		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.	17		IPCN online	Keil, D. J. 1981. In Chromosome number reports LXXII. Taxon 30: 705–706.
		Lactuca graminifolia var. graminifolia	Lactuca graminifolia Michx.	17		IPCN online	Tomb, A. S., K. L. Chambers, D. W. KYHOS, A. M. Powell & P. H. RAVEN. 1978. Chromosome numbers in the Compositae XIV. Lactuceae. Amer. J. Bot. 65: 717–721.
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.		34	eFlora
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.		34	Fedorov, 1974	Babcock et al. 1937
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.		34	Fedorov, 1974	Whitaker, Jagger 1939
!		Lactuca graminifolia Michx.	Lactuca graminifolia Michx.		34	Fedorov, 1974	Thompson R. C. et al. 1941 .