close-up of a textured rock surface with intricate patterns of moss and lichen, showcasing a blend of gray, green, and yellow

earth tones green stone lichen moss closeup texture yellow natural mineral rock rough surface pattern outdoor geological earthy detail macro environment ecological rugged botanical organic gray biotic weathered nature ecology biology durable sedimentary porous terrain crusty backdrop ecofriendly garden wild landscape substrate aged study science growth textured detailoriented visual