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 → Helenium → Helenium drummondii H. Rock
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helenium drummondii H. Rock | Helenium drummondii H. Rock | 32(1) | Asteracea | Grashoff et al. 1972 Brittonia | |||
| ! | Helenium drummondii H. Rock | Helenium drummondii H. Rock | 32 | IPCN72 | GRASHOFF, J.L., M.W. BIERNER, & D.K. NORTHINGTON. 1972. Chromosome numbers in North and Central American Compositae. Brittonia 24: 379-394. | ||
| ! | Helenium drummondii H. Rock | Helenium drummondii H. Rock | 32 | eFlora |