I don't see as much moss in the Albedo as I see in the Marmoset render. Something went wrong there? Also I really think it'll look a lot better once you come up with a solid moss material. Example. More example. The normal and height from moss should have lots of volume to it. As I see in Height and Normal maps moss is…
Color wise it's very flat. You should introduce some micro/macro color variation. The moss looks like some green noise overlayed without anything else, as each individual map shows. You should create a moss material that has it's own unique Color/Roughness/Normal/Height and then blend that on top of the floor. The mask…