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 flavida Sarg.
Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
Crataegus flavida Sarg. | Crataegus dodgei Ashe | 34,68 | 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. |