Public domain photos

The image shows a close up of a tree trunk covered in green algae, with a group of mushrooms growing on it. The algae is a vibrant green color, and the mushrooms are a lighter shade of green. The tree trunk is a light brown color, providing a stark contrast to the algae.

The image shows a close up of a tree trunk covered in green algae, with a group of mushrooms growing on it. The algae is a vibrant green color, and the mushrooms are a lighter shade of green. The tree trunk is a light brown color, providing a stark contrast to the algae.Open in library