close up of large black brown burnt alfred's cake mushroom fungi on bark

decay cramp balls concentrica nature king cakes alfred fungi background fungus woodland ball shape photography common mycology edible mushroom british isles closeup food daldinia black poisonous uk uncultivated xylariaceae sordariomycetes cap ascomycota xylariomycetidae plant coal concentric autumn ash horizontal macro pezizomycotina rotten xylariales fall toadstool dead wood alfreds