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 → Rosaceae → Crataegus → Crataegus sylvestris Sarg.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Crataegus sylvestris Sarg. | Crataegus silvestris Sarg. | 68 | IPCN online | MUNIYAMMA, M. & J. B. Phipps. 1979. Meiosis and polyploidy in Ontario species of Crataegus in relation to their systematics. Canad. J. Genet. Cytol. 21: 231–241. |