sulphur polypore laetiporus sulphureus - edible yellow tinder fungus on an old trunk of an oak tree in the garden, ukraine

laetiporus sulphureus fungus edible polypore tinder oak trunk garden ukraine basidiomycota fungi agaricomycetes polyporales polyporaceae saprotroph mycelium decay wood mushroom conk yellow wild foraging spores mycology decomposition habitat bioindicator tree hardwood biodiversity organic nature environment ediblefungus forest growth autumn lichen medicinal species ecosystem sustainable decayprocess sulphur shelf