brown fall forest fungus leaves red white decay decaying natural nature reforestation Tree stumps trees woods bush clipped cold covered England green hedge shrub snow topiary winter autumn defoliation frost frosty weather leaf oak landscape park Sussex tracks tree trunk woodland bath bird dirty muddy plants rusty texture unclean unsanitary water yucky branch cut limb log logs pile rings sawn timber wood Beech tree seeds garden mast seed pods seeds field gate background hoar Quercus