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 ovatifolium (Torr. & A. Gray) Small
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | 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. |