inonotus obliquus or chaga mushroom on trunk birch tree. fungus, black mass and birch canker polypore.

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 used alternative tree polypore