ギンリョウソウ monotropastrum humile (D.Don) H.Hara

白色をした不思議な物体は、葉緑素を持たない寄生植物で、別名ユウレイタケとも呼ばれます。

This white mysterious object is a parasitic plant which does not have chlorophyl, and is called a ghost mushroom as another name in Japan.