Etsy members of the Design Style Guide team have paid their own homage to trees, as shown in the examples below. Search the Etsy site in the handmade category, using "interiordesignteam trees" or "designstyleguide trees" as your search criteria, to find much more artwork featuring trees and leaves.
"Trees and Creek" by Earth Art
"Four Seasons" by Jordanka
"Golden Apples of the Sun" by ARA133Photography
"Where Bluebirds Fly" by Everyday Moments
There are hundreds of "tree" works from the artists at Design Style Guide, in various media and price ranges. Please visit our site!