云芝是一种真菌的子实体，属担子菌纲多孔菌科。由于它是由无数单片组成，形似浮云，又属艺类，中国人叫它云芝。它的表面呈多色绒状，质地为革质，并属盖菌类，故分类学上称它为彩级革盖菌。它是一种腐生菌，分布于全世界，生长在阔叶树的枯木上。虽然我国产量丰富，但对它的 Verticillium is a fruiting body of a fungus belonging to the genus Basidiomycetes. Because it is composed of countless single pieces, which resemble clouds, and belong to the art class, the Chinese call it Yunzhi. Its surface is multi-colored velvet, texture is leathery, and is a kind of cover fungus, so it is taxonomically classified as color-grade leather-covered bacteria. It is a kind of saprophytic bacteria, distributed throughout the world and growing on the dead wood of broad-leaved trees. Although our country has abundant production, it does