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CCDB → Angiosperms → Rosaceae → Crataegus → Crataegus punctata Jacq.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Crataegus punctata Jacq. | Crataegus punctata Jacq. | 34 | IPCN online | Dickinson, T. & J. Phipps. 1986. Studies in Crataegus (Rosaceae: Maloideae) XIV. The breeding system of Crataegus crus-galli sensu lato in Ontario. Amer. J. Bot. 73: 116–130. | |||
| Crataegus punctata Jacq. | Crataegus punctata Jacq. | 34, 34+1 | 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. |