sentences:  Phyllactinia guttata
  
  Phyllactinia guttata is a species of fungus in the family Erysiphaceae; the anamorph of this species is Ovulariopsis moricola.A plant pathogen distributed in temperate regions, "P. guttata" causes a powdery mildew on leaves and stems on a broad range of host plants; many records of infection are from "Corylus" species, like filbert ("Corylus maxima") and hazel ("Corylus avellana").