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 → Rosaceae → Crataegus → Crataegus heldreichii Boiss.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Crataegus heldreichii Boiss. | Crataegus heldreichii Boiss. | 34 | IPCN75-78 | Byatt & Murray 1977 |