What is the use value of bracken?

Absorbing harmful gases is the most effective biological "purifier". The rhizome is thick, densely covered with golden hair and soft hair, which can be viewed permanently; Its short wooden stems are cultivated into small bonsai, and the new leaves of phoenix tail are green and moving. The new tender teeth are like green branches. With the golden dog's head (or monkey's head), it looks vibrant, innovative and elegant, giving it a symbol of good luck and high ornamental value. Dogs belong to Chordata, Vertebrate, Mammalian, Orthoptera, Carnivora, Schipoda and Canidae. Chinese is also called "dog", and dogs are distributed all over the world. Dogs, horses, cows, sheep, pigs and chickens are also called "six animals". Some scientists believe that dogs were domesticated by early humans from the gray wolf, and the domestication time was from 40,000 years ago to 1.5 million years ago. Known as "the most loyal friend of mankind", it is the pet with the highest reproductive rate, and its life span is about 12~ 18 years. In China culture, dogs belong to one of the 12 Zodiacs, ranking 1 1 among the 12 Zodiacs.