Erysiphales

plural noun
Er·​y·​si·​pha·​les

Definition of Erysiphales

: an order of saprophytic and parasitic ascomycetous fungi (subclass Euascomycetes) that live on plants, have both vegetative and reproductive structures superficial on the host, and include the powdery mildews, many sooty molds, and a few other epiphytic fungi — see erysiphaceae

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History and Etymology for Erysiphales

New Latin, from Erysiphe + -ales

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