autumn wood-destroying fungi on the fall in wisconsin

agaric agaricus amanita aparasite armillaria autumn background bark brown cerifera closeup deadly ecology environment fall floor food forest fruiting fungi fungus growing growth healthy ingredient macro material mushroom mushrooms mycology natural old organic outdoor outdoors park pholiota pholiotaaurivella plasmodial poisonous polypore scalycap seasonal shelf stumps toadstool tree trunk trunks wisconsin wood wooddestroying yellow