Globally, the species of Amanita are key components ectomycorrhizal ecosystems. Some them widely known as poisonous or edible fungi. Although many new from China have been described, diversity Yanshan Mountains remains unknown. We here describe three species, namely, A. borealis sp. nov. (Sect. ), brunneola Caesareae and yanshanensis Validae based on morphological observations molecular phyloge...