Public domain photos

The image shows a close up of a lichen growing on a rock, with sticks on the right side. The lichen is a light green color and has a smooth, glossy texture. It is growing on the rock, and the sticks are a light brown color.

The image shows a close up of a lichen growing on a rock, with sticks on the right side. The lichen is a light green color and has a smooth, glossy texture. It is growing on the rock, and the sticks are a light brown color.Open in library