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CCDB → Angiosperms → Compositae → Silphium → Silphium asteriscus L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Silphium asteriscus var. asteriscus | Silphium asteriscus L. | 8(2) | 16(3) | Asteracea | Lewis et al. 1962 Rhodora | ||
| Silphium asteriscus L. | Silphium asteriscus L. | 7(1) | Asteracea | Jones S. B. 1970 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.) | |||
| Silphium asteriscus var. asteriscus | Silphium asteriscus L. | 7(1) | Asteracea | Fisher & C. 1962 Ohio J. Sci. | |||
| Silphium asteriscus var. asteriscus | Silphium asteriscus L. | 7(1) | Asteracea | Jones S. B. 1968 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.) | |||
| Silphium asteriscus L. | Silphium asteriscus 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 asteriscus L. | Silphium asteriscus L. | 7 | IPCN67-71 | JONES, S.B., JR. 1970. Chromosome numbers in Compositae. Bull. Torrey Bot. Club. 97: 168-174. | |||
| ! | Silphium gatesii C. Mohr | Silphium asteriscus L. | 14 | IPCN67-71 | SETTLE, w. J. 1967. The chromosome morphology in the genus Silphium (Compositae). Ohio Jour. Sci. 67: 10-19. | ||
| Silphium laevigatum Pursh | Silphium asteriscus L. | 7 | IPCN67-71 | JONES, S.B. Jr. 1968. Chromosome numbers in southeastern United States Compositae I. Bull. Torrey Bot. Club 95: 393-395. | |||
| Silphium laevigatum Pursh | Silphium asteriscus L. | 14 | IPCN67-71 | SETTLE, w. J. 1967. The chromosome morphology in the genus Silphium (Compositae). Ohio Jour. Sci. 67: 10-19. | |||
| Silphium asteriscus var. asteriscus | Silphium asteriscus L. | 14 | eFlora | ||||
| ! | Silphium gatesii C. Mohr | Silphium asteriscus L. | 14 | Fedorov, 1974 | Fisher T. R., Cruden 1962 | ||
| ! | Silphium gatesii C. Mohr | Silphium asteriscus L. | 7 | Cave1962 | Fisher & Cruden 1962 |