First Report of Powdery Mildew of <i>Myosotis sylvatica</i> (Wood Forget-me-not) Caused by <i>Golovinomyces cynoglossi</i> (<i>Erysiphe cynoglossi</i>) in Washington State

Fig. 2. Appressorium formed by G. cynoglossi on M. sylvatica.



Image from Plant Health Progress article:
First Report of Powdery Mildew of Myosotis sylvatica (Wood Forget-me-not) Caused by Golovinomyces cynoglossi (Erysiphe cynoglossi) in Washington State