inonotus obliquus or chaga mushroom on trunk birch tree. it is also known as sterile conk trunk rot of birch. fungus

chaga mushroom tree trunk inonotus obliquus clinker polypore cinder conk black mass birch canker white bark parasite antioxidant detox tea food herbal anticancer nature sponge pathogen paleo diet parasitic fungus sterile rot charcoallike affected antiinflammatory forest germinate healthy herb immune infection large medicinal medicine natural superfood supplement antiviral wellness used alternative red heart-shaped tomatoes wooden background imperfect foods deal waste tree birch