This is a 3d model of birch. It has several textures for Spring, Summer and Fall, you can also use a combination of yellow, brown and green leaves. In scene folder that contains Z depth due to the simplicity of use shaders Zdepth is rendered much more quickly. There are also cash for twenty seconds animation but unfortunately I can not added, because it is 2.8 GB, but I can send in WeTransfer to your email, if you need. There is a script for the leaves, but it is free, you can download it from this site:
http://www.djx.com.au/blog/2012/07/28/djpfxuvs-for-maya-now-has-a-ui-and-does-grass