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CCDB → Angiosperms → Rosaceae → Cydonia
| Taxon name | Status | Median (n) |
| Cydonia oblonga Mill. | Accepted | 17 |
| Cydonia cathayensis (Hemsl.) Hemsl. | Synonym of Chaenomeles cathayensis (Hemsl.) C. K. Schneid. | 17 |
| Cydonia japonica (Thunb.) Pers. | Synonym of Chaenomeles japonica (Thunb.) Lindl. ex Spach | 17 |
| Cydonia maulei T. Moore | Synonym of Chaenomeles japonica (Thunb.) Lindl. ex Spach | 17 |
| Cydonia sinensis (D. Cours.) Thouin | Synonym of Chaenomeles sinensis (D. Cours.) Koehne | 16 |
| Cydonia vulgaris Pers. | Synonym of Cydonia oblonga Mill. | 17 |