Product Description

Dry birch chaga mushrooms from Russia. Clinker Polypore, Clinker Fungus, Cinder Conk, Birch Canker Polypore, Black Mass, Sterile Conk Trunk Rot of Birch - A clinker is a hard mass of fused stony material that is formed in a furnace, usually black in color; the fungus is so-named for its resemblance to furnace clinkers. Black Mass and Cinder Conk also refer to the amorphous shape and the burnt charcoal color of the fungus.