| Rosaceae | |
Crataegus oxyacantha var. incisa
| Regel | Trudy Imp. S.-Peterburgsk. Bot. Sada 1: 117 | 1871 |
| Rosaceae | |
Crataegus oxyacantha var. monogyna
| (Jacq.) Loudon | Arbor. Frutic. Brit. 2: 834 | 1838 |
| Rosaceae | |
Crataegus oxyacantha subsp. palmstruchii
| Hrabetova-Uhrova | | |
| Rosaceae | |
Crataegus oxyacantha fo. paulii
| (Rehder) Rehder | Mitt. Deutsch. Dendrol. Ges. 24: 222 | 1916 |
| Rosaceae | |
Crataegus oxyacantha var. paulii
| (Rehder) Rehder | Stand. Cycl. Hort. 2: 886 | 1914 |
| Rosaceae | |
Crataegus oxyacantha var. pinnatifida
| Regel | Trudy Imp. S.-Peterburgsk. Bot. Sada 1(2): 118–119 | 1871 |