NOTE: the objects have been scattered using Corona scatter in 3ds max, if you want to use another software you should scatter them yourself.
Vray version of plants is in the archive.
There is a 45m * 45m plane in the scene with 2 different corona scatters.
FBX file and vray max file do not contain scattered scene, just the main plants, grasses and ground.
corona scatter settings screen shots are in the archive.
polys: 394,870
verts: 308,150