Jiuzhaigou is located on the plateau. not many plants can grow there. but there are very good Tibetan medicine plants , such as :

1. tendril-leaved fritillary bulb （ which is used in very famous medicine Chuanbei Pipa Syrup for coughing ) 

2. The Cordyceps sinensis was wild, growth zone above the altitude of 3000 meters to 5000 meters high mountain grassland shrub grass slope near the snow line. in Summer time, the worm lay eggs on the ground, about a month after hatch into larvae into the soft wet soil. A mold the earth invasion of larvae, growth in the larval body, eroding the larvae until his death. After a winter, spring comes to second years, fungal hyphae grow, the fungus grows out of the ground, the appearance is like a piece of grass, body and mycelial larvae constitute a complete "". The spores to body as food, rapid growth, body is generally four to five cm, fungus, a day can be long to body length , then the Chinese caterpillar fungus is known as "head of grass", the best quality; about two times as long to the very next day fungus worm, called as the "two grass", the quality of. Because of the rigid after President of roots, so called "Cordyceps sinensis".

3. Herba Rhodiolae .Rhodiola is resistant to the effects of altitude sickness 

more interesting things , you may go there to see~~