Vray 3ds max file is also in archive (just plants and no scattering).
3ds max2014 (vray + corona)
Fbx (corona)
There is a 14m * 11m plane in the scene with 4 different corona scatter.
scattered objects are not in FBX and OBJ files, just the main plants.
corona scatter settings screen shots are in archive
polys: 49.535
verts: 110.640