China has nearly 900 species of wild mushroom, more than 50 of which are in commercial cultivation. Mushrooms are used widely in both cooking and in traditional medicine. They are sold fresh and dried.
Black Fungus or Cloud Ear Fungus (黑木耳 hui mu er)
Looks like an ear, it’s thin and a rubbery feel when cooked. It grows on trees and is also farmed, it’s always seen sold in it’s dry form. It has a neutral flavor so it merges well with other seasoning and vegetables and adds texture to a dish. According to Baidu Encyclopedia, Black fungus is extremely rich in nutrients, contains a lot of carbohydrates, protein, iron, calcium, phosphorus, carotene, vitamins and other nutrients.