Can someone help me ID this?

I need it for a report. For details, teacher said it grows beneath the surface and can even push concrete and possibly damage it.

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Read also:

Chicken of the woods or something similar?

Found in Southeastern MN yesterday

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What are these? Found in Rhode Island

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Growing in one of my gardens

Does anyone know what kind these might be?

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I found these in my yard

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Is this a toadstool?

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Turkeytail or false Turkeytail?

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Found these mushrooms on my tree (Northeast US). What are they and should I be concerned?

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Is this a mushroom

Found in SoCal, keeps getting bigger. You can see it’s moving toward the tree.

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Found these guys a couple days ago. Is this a type of turkey tail?

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What’s this growing out of my plant?

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