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CCDB → Angiosperms → Rosaceae → Crataegus → Crataegus sphaenophylla Pojark.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Crataegus sphaenophylla Pojark. | Crataegus sphaenophylla Pojark. | 51 | 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. |