Moss Looking Substance on Trees

Question

I have a moss-looking substance on my trees. What is it? What damage is it doing, and how do I get rid of it?

Answer 1

It is either moss or lichen. Either way it is harmless, but if you want to get rid of it, here is some information: https://www.gardeningknowhow.com/ornamental/fungus-lichen/treatment-tree-lichen.htm
https://www.gardeningknowhow.com/ornamental/foliage/moss/moss-on-plants.htm