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