CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Angiosperms → Compositae → Silphium → Silphium pinnatifidum Elliott
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Silphium pinnatifidum Elliott | Silphium terebinthinaceum var. pinnatifidum (Elliott) A. Gray | 14 | IPCN67-71 | SETTLE, w. J. 1967. The chromosome morphology in the genus Silphium (Compositae). Ohio Jour. Sci. 67: 10-19. | ||
| ! | Silphium pinnatifidum Elliott | Silphium terebinthinaceum var. pinnatifidum (Elliott) A. Gray | 14 | Fedorov, 1974 | Fisher T. R., Cruden 1962 | ||
| ! | Silphium pinnatifidum Elliott | Silphium terebinthinaceum var. pinnatifidum (Elliott) A. Gray | 7 | Cave1962 | Fisher & Cruden 1962 |