Nostoc is a plant belonging to the cyanobacteria.Nostoc adheres beneath desert plants, named after its resemblance to tangled hair and its dark black color."Nostoc"is also known as"ground hair".It is a very precious food, with the "Goji treasure".Because Nostoc is a type of cyanobacteria, its body is long and slender, dark greenish-blue, resembling hair, composed of numerous single-celled individuals connected in a string, buried in a gel-like substance.It mainly distributes in streams in places like Ningxia, Shaanxi, Gansu, and Qinghai in China.What is commonly seen on the market are its dried products.It mainly inhabits streams in regions such as Ningxia, Shaanxi, Gansu, and Qinghai in China.The ones seen in the market are its dried products.
