I also include mushrooms for the identity of nature which is rich with a variety of life. You see panus mushrooms like trumpets ending this post.
Other than the Fly Agaric (Amanita muscaria) (which is poisonous, but some people still eat it because of its hallucinogen effects as a psychedelic substance), I cannot distinguish mushrooms. I recognise that they are mushrooms, of course, but I cannot name them, and I cannot tell which is edible, and which is not edible. I would need one or more book(s) to do that. If I would be interested in it, then I could probably learn to do that without book(s).