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CCDB → Angiosperms → Rosaceae → Crataegus → Crataegus crus-galli L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Crataegus crus-galli L. | Crataegus crus-galli L. | 68, 51 | 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 crus-galli L. | Crataegus crus-galli L. | 24,51,68,64 | 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. | |||
| ! | Crataegus crus-galli L. | Crataegus crus-galli L. | 34 | C-values database | Dickson EE, Arumuganathan K, Kresovich S, Doyle JJ. 1992. Nuclear DNA content variation within the Rosaceae. American Journal of Botany 79: 1081-1086. |