Why do trees have differently shaped leaves? - Washington Post

Leaf shapes vary from place to place. But did you know that the place helped create the shapes?

Why do tree species have differently shaped leaves? - Quora

10 Towering Trees Native to Washington State - A-Z Animals

How well do you know the trees in your neighborhood? « Special

Oak Tree Leaf Identification Chart With Locations (13 Oak Species)

The Social Life of Forests - The New York Times

Why do trees have differently shaped leaves? - Washington Post

Wild agave plants that make the best mezcal are getting harder to

Why Do Leaves Have Such Different Shapes?

Why trees aren't just colorful fall features for our region's