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CCDB → Angiosperms → Rosaceae → Crataegus → Crataegus pentagyna auct. F. orient. & ross.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Crataegus pentagyna auct. F. orient. & ross. | Crataegus pentagyna auct. F. orient. & ross. | 34 | IPCN75-78 | Byatt & Murray 1977 | ||
| ! | Crataegus pentagyna auct. F. orient. & ross. | Crataegus pentagyna auct. F. orient. & ross. | 34 | IPCN75-78 | Magulaev 1976 |