The scientific name of Nostoc commune is Nostoc commune, with many aliases. Some areas are called Nostoc commune, Nostoc commune, Nostoc commune, Nostoc commune, Nostoc commune, Nostoc commune and Nostoc commune, and some are called Tiancai and Green Vegetables. The compendium of materia medica is called "stepping on the ground", Yang Xiaolu is called "stepping on vegetables", and the wild vegetable Bolu is called "snot meat". There is also a very poetic name called "Ge Xianmi". According to Compendium of Materia Medica, "Jin lived in seclusion and lacked food, so he was named Ge Xianmi". But most people confuse Nostoc commune with Auricularia auricula. In fact, the real Gexianmi is very similar to Auricularia auricula, but the varieties are different. Gexianmi lives in paddy field, which is very rare and precious, and its value is thousands of times that of spike. The international market price is RMB per kilogram 1200~ 1500. Except Africa, it is produced in Hefeng County, Hubei Province. King Di 'er also has a strange name, Leigong Shit, which was named after it appeared after a thunderstorm. It is also called grass ear because it grows on the beach or hillside grass. It was born in the ground, shaped like fungus, and colored like fungus, so it was called the ear of the earth. Although the meat is fine, the flower shape is small, and the taste is not as good as that of black fungus, it is a delicious rice with rich nutrition and full of Shan Ye flavor. [