| english hawthorn | (n) European hawthorn having deeply cleft leaves and bright red fruits; widely cultivated in many varieties and often grown as impenetrable hedges; established as an escape in eastern North America, Syn. Crataegus monogyna |
| whitethorn | (n) thorny Eurasian shrub of small tree having dense clusters of white to scarlet flowers followed by deep red berries; established as an escape in eastern North America, Syn. Crataegus oxycantha, English hawthorn, may, Crataegus laevigata |