mushrooms are parasites on a tree trunk in summer.

agaric are belonging botanical brown cerioporus close closeup dryads ecology ecosystem edible family fleshy forest fungi fungus garden green grow growing grows interaction macro medicinal mushroom mushrooms mycology natural nature organic outdoor parasite parasites park people plant polyporaceae polypore polyporus polypous spotted squamosus squamous summer symbiosis textured tinder toadstool tree trunk uncultivated widespread wild wood