Elsinoë pyri is a species of fungus in the family Elsinoaceae.
It is a plant pathogen that grows on apple (Pyrus malus).
First described scientifically by Nikolai Nikolaevich Woronichin in 1914 as a species of Plectodiscella,[2] the fungus was transferred to the genus Elsinoë by American mycologist Anna Eliza Jenkins in 1932.
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