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CCDB → Angiosperms → Compositae → Silphium → Silphium trifoliatum L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Silphium trifoliatum L. | Silphium trifoliatum L. | 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 trifoliatum L. | Silphium trifoliatum L. | 14 | IPCN67-71 | SETTLE, w. J. 1967. The chromosome morphology in the genus Silphium (Compositae). Ohio Jour. Sci. 67: 10-19. | |||
| Silphium trifoliatum L. | Silphium trifoliatum L. | 14 | Fedorov, 1974 | Taylor W. R. 1926 | |||
| Silphium trifoliatum L. | Silphium trifoliatum L. | 14, 14+1B | Fedorov, 1974 | Fisher T. R., Cruden 1962 | |||
| Silphium trifoliatum L. | Silphium trifoliatum L. | 16 | Fedorov, 1974 | Merrell 1900 | |||
| ! | Silphium trifoliatum L. | Silphium trifoliatum L. | 7, 7+1 | Cave1962 | Fisher & Cruden 1962 |