My Crape Myrtle Tree Trunk Is Turning a Bright Yellow
Is it a fungus? If a fungus, what do I need to do to get rid of it?
Crepe myrtles have exfoliating bark. I've never heard on one exfoliating to leave a bright yellow trunk. You might consider taking a sample to your local agricultural extension office for diagnosis and recommendations. This article might help: https://www.gardeningknowhow.com/ornamental/trees/crepe-myrtle/bark-shedding-crepe-myrtle.htm