Panellus stipticus is a bioluminescent fungus commonly found in eastern North America. This specimen was photographed under light and dark conditions to demonstrate this bioluminescence. The light esposure was made using incandescent light and 105mm Micro Nikkor lens at f/7.1, 1 sec. The dark exposure was made with the same lens in a dark room at f/4.2 for 5 minutes.