title: A critical revision of the powdery mildew fungi (Erysiphaceae, Ascomycota) of Ukraine: Arthrocladiella and Blumeria
abstract: The previously compiled list of species of powdery mildew fungi of Ukraine was published more than 30 years ago. That list included 108 species belonging to 12 genera. However, over the past three decades, numerous changes have been made in the system of the former order Erysiphales, in particular, in its generic composition; moreover, dozens of new species have been described. At the same time, many species of powdery mildew fungi were introduced to Europe, including Ukraine, in particular, fro
journal: Ukrainian Botanical Journal