Under that tissue paper is about 6 pounds of puffballs.
Category: Unidentified Mushrooms
Probably coprinoid.
Originally thought it was Pluteus cervinus, but under the microscope there were no “horns” and the spore-print is white. It also seemed to have rhizomorphs coming off the base.
Obviously something pleuroteroid, but I could not obtain a spore print or better look at it to narrow down which.
