gilled polypore fungus growing on dead logs

brown bush color dead fungus gilled growing inedible logs mushroom outdoors polypore rounded stem tree wood wooded rottenwood industry extinct vanished oldforest forest circular fungi observation habitats ecosystem carbondioxide medicine traditionalmedicine spores longlive live poultryfood birdfood climate foodchain food insect invertebrates micro landscape moist morphology microscopic antioxidant cancer freeradical lowcalorie highfiber heterotrophs asexual fragmentation symbiosia moss chitin hyphae pores hairy generative symbiosis fermentation materials