Mushrooms are very diverse group of different organisms that fall into the plant grouping known as fungi.  There are at least 14,000 species described so far!   Some are long-lived and others only pop up for a few days, then wither away. The short-lived ones likely to be found in moist shady areas, or after heavy precipitation. The photos in this exhibit were provided by various Park visitors, and many of the identifications were made by Orville Swanson.