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''Inonotus obliquus'', commonly known as chaga mushroom (a Latinisation of the Russian term 'чага'), is a fungus in Hymenochaetaceae family. It is parasitic on birch and other trees. The sterile conk is irregularly formed and has the appearance of burnt charcoal. It is not the fruiting body of the fungus, but a sclerotia or mass of mycelium, mostly black due to the presence of massive amounts of melanin. The fertile fruiting body can be found very rarely as a resupinate (crustose) fungus on or near the clinker, usually appearing after the host tree is dead. ''I. obliquus'' grows in birch forests of Russia, Korea, Eastern and Northern Europe, northern areas of the United States, in the North Carolina mountains and in Canada. The chaga mushroom is considered a medicinal mushroom in Russian and Eastern European folk medicine; medical evidence is emerging. == Alternative names == The name ''chaga'' ( ) comes from the Russian word of the mushroom (anglicized from ''чага''), which in turn is purportedly derived from the word for the fungus in Komi-Permyak, the language of the indigenous peoples in the Kama River Basin, west of the Ural Mountains. It is also known as the clinker polypore, cinder conk, black mass and birch canker polypore. In Norwegian, the name is ''kreftkjuke which literally translates as "cancer polypore", referring to the fungus' appearance or to its alleged medicinal properties. In Finnish, the name is ''pakurikääpä'', combined from ''pahkura'' and ''kääpä'' translating as "wart polypore". In England and Canada, it is known as the sterile conk trunk rot of birch, which refers to the fruiting bodies growing under the outer layers of wood surrounding the sterile conk once the tree is dead, to spread the spores. In France, it is called the ''carie blanche spongieuse de bouleau'' (spongy white birch tree rot), and in Germany it is known as ''Schiefer Schillerporling'' (oblique ''Inonotus''). The Dutch name is'' berkenweerschijnzwam'' (birch glow mushroom). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Inonotus obliquus」の詳細全文を読む スポンサード リンク
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