100% made in Substance Designer and rendered in Marmoset.
I've made this as part of my exam project at FutureGames. The project is centered around texture creation in Substance Designer and material blending in game environments.
I use the same moss strands here as in my Cliff Wall material:
Check out my polycount thread for more WiPs on the entire project:
I might do a micro tutorial in the future, if enough people are interested.