NOTE: the objects have been scattered using Corona scatter in 3ds max, if you want to use another software you should scatter them yourself.
There is a 27m * 19m plane in the scene with 4 different corona scatters.
FBX file does not contain scattered scene, just the main plants, grasses and ground.
corona scatter settings screen shots are in the archive.
polys: 526,300
verts: 353.320