Also known as Birch canker polypore, clinker polypore, cinder conk or black mass, the (Inonotus Obliquus) can be a sort of shelf, bracket or polypore mushroom – with the last a few names over describing any type of picket fungi whose growth is characterised by protrusion from tree trunks.Though chaga is not so good to the birches—it’s a tree-