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Collared Earthstar, new one to me
(mander.xyz)
Seen many puffballs in this area, but never like this. Today they were everywhere.
I'm not aware of any utility, but am a novice.
I have seen hundreds of puffball mushrooms recently, my son is big fan of popping them, but these are a little different. It looks like an average puffball on a futon that turns into a star.