Mossy Growth on Crepe Myrtle Tree

Question

What is the mossy growth on my crepe myrtle tree? It is also on some other trees also. How do I get rid of it?

Answer 1

It is lichen, which is harmless to the tree. Here is more information: https://www.gardeningknowhow.com/ornamental/fungus-lichen/treatment-tree-lichen.htm