Can someone identify this tiny mushroom

What about it?

It was growing in one of my cactus pots

Found near base of tree

What about it?

Western PA

The “heart” on this cherry tree in Ontario looks like some kind of fungus. Does anyone know what kind?

What’s this mushroom? (UK)

Is this what I think it is?

What about it?

I'm in VA

Dinner plate size

What about it?

Found in Ireland

Southeastern Connecticut

What about it?

It’s been raining pretty heavily here, and this little guy popped up overnight.

And on the third day

Woman found dead after lawn mower runs over her in park

"doing the do with a fucking chipmunked F1 racecar."

I don't even know where to start with this