The Q&A Archives: Fungus on Mature Trees

Question: What can I do about a fungus like growth on the bark of my mature Oaks, Maples and Ash trees? The ash trees are dying. Can the others be saved?

Answer: Unfortunately, based on your description I can't identify the exact condition you are describing. It might be a harmless lichen unrelated to the death of the trees or it might be something serious. You might wish to consult with a professionally trained and certified arborist or with your County Extension (526-6293) for a specific identification of the problem(s) with your trees and recommendations for control measures, if any. I'm sorry I can't be more specific.

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