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Discussion in 'Maples' started by JosephKellum, Dec 22, 2014.
Can you help me identify the issue with this maple tree?
Here are more photos.
I'm not sure what the stuff is, but it kind of looks like a black crustose lichen of some kind. If so, it is harmless.
Pic 2 looks a bit like a reaction to mechanical damage, perhaps an insect borer or some kind?
How is the tree doing otherwise?