Realistic tree bark textures
All textures seamlessly tile horizontally and vertically.Package includes 44 different texture maps in high resolution (2048x2048 png).
Inside the package:
11 types of tree bark textures
Every tree barkt type includes a diffuse map, normal map roughness and height map.
Forum link
http://forum.unity.com/threads/pbr-tree-bark-texture-pack.337166/