Have you met this beauful mushroom? The white buna-shimeji mushroom (Hypsizygus tessellatus) is a variation of the hon-shimeji. A paler relative, this mushroom is sometimes called Alba Clamshell™. With a delicate appearance and thin stems about 2 to 3 inches long, the beech mushroom is pure white. It grows in small clusters, and the mushrooms should…