pholiota populnea mushroom, a wood-decaying species, breaks down the fallen poplar trunk, contributing to the forest

mushroom fungus pholiota strophariaceae wood decay decomposition deadwood stump forest ecosystem ecology biodiversity nutrient cycle regeneration nature tree log timber fallen habitat species taxonomy genus family textured scaly cap stem earthy tones blending seamless role crucial vital contributing transformation soil fertile woodland landscape botany mycology decomposer saprotroph environment natural