Abstract: After the investigations for several years, it was found that the vertical distributional zones of pathomycetes in the forest plants of the Mr. Taibai,the highest peak in the Qingling Mountains, may be divided into four zones: 1) the lower mountainous and low-middle mountainous zone of leaf spots(Phyllosticta spp.) and powdery mildew on broadleaf forests; 2) middle mountainous and high-middle mountainous zone of rusts and saprogenic fungi on broadleaf forests; 3) middle-high mountainous zone of leaf casts diseases (Lophodcrmium spp.) on coniferous forests; 4) high mountainous zone of lacquerspot diseases (Rhytisma spp.) on bush-woods.

Key words: Mt. Taibai, Pathomycetes, Vertical distributional zones