Coprinellus impatiens - The fungus Coprinellus impatiens (Fr.) J.E. Lange. This species of fungus was photographed growing at the University of California Botanical Garden at Berkley, California, USA. © This image was created by user Ben Anderson (btanderson) at Mushroom Observer, a source for mycological images.You can contact this user here. - CC BY-SA 3.0 - Wikimedia Commons