The image shows a close-up of a tree trunk covered in green lichen. The lichen is densely packed together on the bark of the tree, covering the entire surface of the trunk. The bark appears to be rough and textured, with deep grooves and cracks running through it. There are also small patches of white lichen scattered throughout the lichen, adding a pop of color to the otherwise dark bark. The background is blurred, but it seems to be a wooded area with other trees and foliage visible.