Public domain photos

The image shows a close up of a brown lichen on a rock. The lichen is covered in a thick layer of moss, giving it a unique texture and color. The rock is a light gray color, providing a stark contrast to the vibrant green of the lichen.

The image shows a close up of a brown lichen on a rock. The lichen is covered in a thick layer of moss, giving it a unique texture and color. The rock is a light gray color, providing a stark contrast to the vibrant green of the lichen.Open in library