region and the D1/D2 domains of the 28S rDNA revealed a complex consisting of several
genetically and morphologically distinguished taxa, including the already described
Erysiphe alphitoides s. str. and E. hypophylla. The ascomata (chasmothecia) of E.
hypophylla are morphologically very similar to those of E. alphitoides, but the two species
are easily distinguishable by their symptoms, as well as the shape and size of the conidia …