maple collection: https://3dsky.org/collection/shared/5082608 
autumn collection: https://3dsky.org/collection/shared/5081087 
Acer_Rubrum_01
In the scene there are 3 red maple trees. Also 3 materials: green leaves gradient red leaves. Every material is suitable for every tree.
Height: 7-12m
Polygons: 1412862
Leaves using opacity map