Abstract: Most fungal species Chaetomium aureum Chivers and Papulaspora byssina Hosson are associated with Cypripedium flavum Hunt et Summmerh.They are confined to Xianggelila County of Yunnan alpine areas,3 400-3 600?m.alt.Bubils of the genus Papulaspora (anamorph) are seem as produced by apothecial fungus as Chaetomium (teleomorph).It is interesting to speculate as to a possible perfact state for those fungi.

Key words: Cypripedium flavum