The climate in The Qinghai-tibet plateau had changed for many times in the quaternary ice age,so the change has affected the growth species in this region on population genetic structure and geographical distribution.Floccularialuteovirens is one of the treasure representative fungus resources in Qinghai-tibet plateau, which distributed in qinghai, Tibet and the north part of Sichuan area at an altitude of 3200-4800 meters of the grassland or the alpine meadow vegetation.