2。 Auricularia auricula, alias Auricularia auricula and Auricularia auricula. Mycology belongs to Basidiomycetes, Auricularia, Auricularia. It is dark brown in color, soft in texture, delicious in taste and rich in nutrition. It not only adds elegance to China cuisine, but also nourishes blood, makes the skin rosy and radiant, and can prevent and treat iron deficiency anemia and other medicinal effects. Mainly distributed in Heilongjiang, Jilin, Fujian, Taiwan Province, Hubei, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan and other places. It grows on rotten wood of oak, poplar, Ficus, Sophora japonica, etc. 120 kinds of broad-leaved trees, and it is solitary or group. At present, basswood and bag materials are the main artificial cultivation methods.