hypsizygus ulmarius, also known as the elm oyster mushroom, and less commonly as the elm leech, elm pleurotus, is an edible fungus

wildlife mushroom invertebrate fungus nature wood leaf food soil tree produce autumn background beautiful brown cap closeup culinary decay delicious edible elm oyster environment fall forest fresh fruiting fungal fungi fungiculture garden green group growing growth healthy home gardening hypsizygus ulmarius ingredient macro mushrooms mycology natural nutrition old organic outdoors plant polypore season toadstool white wild commonly leech pleurotus