armillaria ostoyae a species of plant-pathogenic fungus mushroom, here on sick spruce tree - tree caring by arboristic

agaricales arboristic armillaria autumn background brown cap caring closeup cluster color dark edible fall food forest fungi fungus grass green group grow growth harvest here honey macro mellea moss mushroom mushrooms natural nature object organic ostoyae outdoor outdoors parasitic plant plantpathogenic raw season seasonal sick species spruce stem summer tree vegetable vegetarian wild wood woodland