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Coprinellus or Coprinopsis species
Looks like a pluteus species to me
Best picture on Project Noah
It's P. cyanescens psilocybin-free cousin. I just made up the common name because I don't think it has one.
Some kind of Puffball. Looks similar to a Calvatia species.
Completely correct Logan, but with contemporary taxonomy we'd place these in the new Coprinopsis or possibly Coprinellus genera.