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CCDB → Angiosperms → Rosaceae → Crataegus → Crataegus stevenii Pojark.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Crataegus stevenii Pojark. | Crataegus monogyna Jacq. | 68 | 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 stevenii Pojark. | Crataegus monogyna Jacq. | 68 | IPCN67-71 | GLADKOVA, v. N. 1967. Chromosome numbers of some species of Cotoneaster Med. and Crataegus L. (In Russian). Bot. Zhur. 52: 354-356. |