Chaga, nonotus obliquus, commonly called chaga (a Latinisation of the Russian word чага), is a ungus in the family Hymenochaetaceae. It is parasitic on birch and other trees. on birch and other trees. The sterile conk is irregularly formed and resembles burnt charcoal. It is not the fruiting body of the fungus, but a sclerotium … Continue reading Chaga , Nonotus Obliquus