Public domain photos

The image shows a close up of a lichen growing on a tree trunk. The lichen is a light brown color and is clustered together on the bark of the tree. It has a smooth, glossy texture and is small in size.

The image shows a close up of a lichen growing on a tree trunk. The lichen is a light brown color and is clustered together on the bark of the tree. It has a smooth, glossy texture and is small in size.Open in library