close up of natural fungus or fungi on a tree trunk-forest. the trunk of a natural dead tree is covered with fungus

039 alga bark beard beech branch cap closeup dead detail egg environment foliose food forest fungi fungus grayish kinabalu lake leafless leaflike lichen lignicolo malaysia man moss mossy mucus mushrooms natural nature not old organism oudemansiella park parmeliaceae plant porcelain sabah saprobic stem texture toxic tree trunk undergrowth usnea weathered wild wood