CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.
CCDB → Angiosperms → Apiaceae → Heracleum → Heracleum thomsonii C. B. Clarke
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Semenovia thomsonii (C. B. Clarke) Manden. | Heracleum thomsonii C. B. Clarke | 22 | IAPT/IOPB | IAPT/IOPB Chromosome Data 8 |