One example of a mushroom that releases a black liquid when picked is the common ink cap mushroom, Coprinopsis atramentaria. This mushroom starts off with white gills that turn black and liquefy as it matures. The black liquid is a result of the mushroom digesting itself, and it is used to disperse spores for reproduction.

I belive the scientific name for mushrooms is Agaricaceae. But im not really sure.

mushrooms are little creatures that will appear randomly in the game there are three types of mushrooms in the game: the white mushroom, rare truffle and black fungus. the white mushroom and rare truffles are harmless but a black fungus can kill you in just a few hits

It's a penis

They're your taste-buds.