psathyrella piluliformis common stump brittlestem mushroom reddish-brown mushroom that grows steeply in groups, natural light

autumn background bark beautiful branches brittlest brittlestem brown bushes candolleana candolleanus candolleomyces close closeup color common conopilus edible em flora food forest four fresh fungi fungus grass green group macro moss mushroom mushrooms mycology natural nature organic outdoor outdoors pale piluliformis plant psathyrella season stump tree white wild wood