Microsphaera alni
FungiFamily: Erysiphaceae · Genus: Microsphaera
About
Erysiphe penicillata is a species of powdery mildew in the family Erysiphaceae. It is distributed widely across Europe and is also known from Iran, where it infects species of the genus Alnus (alders). It was previously considered to have a much wider host and geographical range.
Summary from Wikipedia
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Growing details and traits for Microsphaera alni in the Library.
No cultivars in the Library yet — the full profile above covers the species itself.