black rotted in the swamp polypore on the trunk of a birch. arkhangelsk region. russian federation.

2018 arkhangelsk autumn background bark birch black bracket bright brown cap close closeup color common conk environment fall false federation forest fungi fungus growth hoof ice macro man many mushrooms natural nature nobody old outdoor parasite plant polypore polyporous raw real region rotted rotten ruined russian saprophyte season silver swamp texture tree trunk white wild wood woodland