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CCDB → Angiosperms → Rosaceae → Crataegus → Crataegus chrysocarpa Ashe
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Crataegus rotundifolia (Ehrh.) Moench | Crataegus chrysocarpa Ashe | 34 | IPCN online | Love, A. & D. Love. 1982. In: A Löve (ed.), IOPB chromosome number reports LXXV. Taxon 31(2): 344–360. | ||
| Crataegus aboriginum Sarg. | Crataegus chrysocarpa Ashe | 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. | |||
| Crataegus chrysocarpa Ashe | Crataegus chrysocarpa Ashe | 68, 68? | IPCN online | Smith, P. G. & J. B. Phipps. 1988. Studies in Crataegus (Rosaceae, Maloideae). XIX. Breeding behavior in Ontario Crataegus series Rotundifoliae. Canad. J. Bot. 66: 1914–1923. |