Trees that have leaves are called angiosperms, or flowering trees. Most lose their leaves seasonally, and are called deciduous trees.
To learn more about deciduous trees: https://earthobservatory.nasa.gov/Experiments/Biome/biotemperate.php
American Basswood: Tilia americana - American Basswood leaves by Evelyn Fitzgerald licensed under CC BY 2.0; Image cropped
American Beech: American Beech Leaves By Congaree National Park licensed under CC BY 2.0
Gray Birch: Gray Birch Leaves by Homer Edward Price licensed under CC BY 2.0
Paper Birch: Betulapa pyrifera by Homer Edward Price licensed under CC BY 2.0
Red Maple:Red Maple Leaves by Congaree National Park licensed under CC BY 2.0
