armillaria ostoyae dark common honey fungus mushroom in colourful autumn forest

agaricales agaricomycetes aliment armillaria autumn basidiomycota biological biology botany bracket bud closeup comestible conservation delicacy dish ecology ecosystem edible environment environmentalism floor flora food forest fungi fungus germ grow growth lamella macro moss mushroom natural nature needle nourish ostoyae parasite physalacriaceae plant savoury season stalk stub tree vegetable vegetal vegetarian