Growth on maple

[Ghillie]

Can anyone identify this growth on a sugar maple for me? I have looked through my books and done some looking on the internet to no avail.

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[Raintree]

Hard to say, looks like heart rot decay fungus maybe Dryad's Saddle? Is the fruiting body in decline or has a naturally blackened look?

 

[Ghillie]

Hard to say, looks like heart rot decay fungus maybe Dryad's Saddle? Is the fruiting body in decline or has a naturally blackened look?

That may be the simple thing that I had overlooked. I have been looking for something with a natural blackened look. This looks like it is not active anymore.

I have told the customer it was indicative of rot but it is not a death sentence for the tree. Keep an eye out for more of the same or dieback.