Public domain photos

The image shows a close up of a tree trunk with lichen growing on it. The background is slightly blurred, giving the tree trunk a clear focus. The lichen is a vibrant green color and is clustered together on the bark of the tree.

The image shows a close up of a tree trunk with lichen growing on it. The background is slightly blurred, giving the tree trunk a clear focus. The lichen is a vibrant green color and is clustered together on the bark of the tree.Open in library