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CCDB → Angiosperms → Rosaceae → Crataegus → Crataegus oxyacantha L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Crataegus oxyacantha L. | Crataegus rhipidophylla Gand. | 34 | IPCN online | Ptak, K. 1986. Cyto-embryological investigations on the Polish representatives of the genus Crataegus L. I. Chromosome numbers; embryology of diploid and tetraploid species. Acta Biol. Cracov., Ser. Bot. 28: 107–122. | |||
| Crataegus oxyacantha L. | Crataegus rhipidophylla Gand. | 34 | IPCN67-71 | GLADKOVA, V.N. 1968. Karyological studies on the genera Crataegus L. and Cotoneaster Medik. (Maloideae) as related to their taxonomy. (In Russian) Bot. Zurn. 53: 1263-1273. | |||
| ! | Crataegus oxyacantha L. | Crataegus rhipidophylla Gand. | 32 | Kumar, 1987 | Lqngley, A.E. 1924b | ||
| ! | Crataegus oxyacantha L. | Crataegus rhipidophylla Gand. | 34 | Kumar, 1987 | Moffett, A.A. 193la, b; Tischler, G. 1934; Delay, C. 1947; Gustafsson, A. 1947b; Gladkova, V.N. 1968 |