Drenched mud PBR material.
Moss PBR material.
Pebble PBR material.
Stone & dry mud PBR material.
Grass PBR material.
Close-up of grass PBR material.
Sand & mud textures made for Far Cry Classic (CryENGINE 1).
Old, dying pine tree (Marmoset Toolbag).
They are PBR based (apart from the two Ubisoft textures), and possess albedo, roughness, specular, normal and height maps. The height maps enable the textures to be displaced (for extra detail) and blended together using height-based modulation.