The pack features a large library of carefully optimized, atlased foliage assets.
The pack also includes normal and auto covered materials for rocks to blend them with the landscape.
As for the ground textures, you will find sand, wet ground, grass, moss, rocks, stones, roads, dirt, leaves, litter, grass, pebbles, roots and more (perfectly tiled and prepared from scanned data).
You can learn more and get the pack here.