Public domain photos

The image shows a close up of a tree trunk covered in lichen. The lichen is a vibrant green color and is spread across the bark of the tree. The texture of the lichen varies, with some having a rough, bumpy surface and others having a more uniform shape.

The image shows a close up of a tree trunk covered in lichen. The lichen is a vibrant green color and is spread across the bark of the tree. The texture of the lichen varies, with some having a rough, bumpy surface and others having a more uniform shape.Open in library