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CCDB → Angiosperms → Compositae → Silphium → Silphium compositum Michx.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Silphium compositum Michx. | Silphium compositum Michx. | 7(3) | 14(3) | Asteracea | Lewis et al. 1962 Rhodora | ||
| Silphium compositum Michx. | Silphium compositum Michx. | 14(1) | Asteracea | Settle 1967 Ohio J. Sci. | |||
| Silphium compositum Michx. | Silphium compositum Michx. | 7(1) | Asteracea | Jones S. B. 1970 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.) | |||
| Silphium compositum Michx. | Silphium compositum Michx. | 14(1) | Asteracea | Settle 1967 Ohio J. Sci. | |||
| ! | Silphium compositum Michx. | Silphium compositum Michx. | 7II+1I | IPCN online | Keil, D. J., M. A. Luckow & D. J. Pinkava. 1988. Chromosome studies in Asteraceae from the United States, Mexico, the West Indies, and South America. Amer. J. Bot. 75: 652–668. | ||
| Silphium compositum Michx. | Silphium compositum Michx. | 14 | IPCN67-71 | SETTLE, w. J. 1967. The chromosome morphology in the genus Silphium (Compositae). Ohio Jour. Sci. 67: 10-19. | |||
| ! | Silphium ovatifolium (Torr. & A. Gray) Small | Silphium compositum Michx. | 7 | IPCN67-71 | JONES, S.B., JR. 1970. Chromosome numbers in Compositae. Bull. Torrey Bot. Club. 97: 168-174. | ||
| ! | Silphium compositum Michx. | Silphium compositum Michx. | 14 | eFlora | |||
| ! | Silphium compositum Michx. | Silphium compositum Michx. | 14 | Fedorov, 1974 | Fisher T. n., Cruden 1962 | ||
| ! | Silphium compositum Michx. | Silphium compositum Michx. | 14 | Fedorov, 1974 | Lewis W. H..et al. 1962 | ||
| Silphium compositum Michx. | Silphium compositum Michx. | 7 | Cave1962 | Fisher & Cruden 1962 | |||
| Silphium compositum Michx. | Silphium compositum Michx. | 7 | 14 | Cave1962 | Lewis et al. 1962 |