Kingdom Fungi R.T.Moore (1980) - fungi
   Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
     Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
       Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
         Class Leotiomycetes O.E. Erikss. & Winka (1997)
           Order Erysiphales Warm. (1884)
             Genus Blumeria Golovin ex Speer (1975), nom. cons.