Definition that contains american elm
- ulmus alata North American elm having twigs and young branches with prominent corky projections
- wing elm North American elm having twigs and young branches with prominent corky projections
- ulmus laevis Eurasian elm closely resembling the American elm; thrives in a moist environment
- winged elm North American elm having twigs and young branches with prominent corky projections
- red elm North American elm having rough leaves that are red when opening; yields a hard wood
- ulmus rubra North American elm having rough leaves that are red when opening; yields a hard wood
- slippery elm North American elm having rough leaves that are red when opening; yields a hard wood
- water elm Eurasian elm closely resembling the American elm; thrives in a moist environment