The article continues a series of critical reviews the species composition powdery mildew fungi (Erysiphaceae, Helotiales, Ascomycota) Ukraine and their distribution within country. This deals with section Microsphaera genus Erysiphe. These are distinguished by fruiting bodies that have non-mycelioid appendages dichotomously branched apices. A list 36 recorded in regions is provided, as well ke...

the erysiphaceae are obligatory parasitic fungi that cause powdery mildew disease of green space plants. during this study, powdery mildew fungi were collected and identified from different localities of ardabil landscape, iran. erysiphe rayssiae (on spartium junceum), erysiphe robiniae var. robiniae (on robinia pseudoacacia) and euoidium cf. agerati (on ageratum houstonianum)are new records fo...