Uncinula macrospora is a plant pathogen that causes a powdery mildew disease of certain North American trees. Its hosts include various elms (Ulmus spp.), hackberries (Celtis spp.), and American hop hornbeam Ostrya virginiana.

Uncinula macrospora
Scientific classification
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U. macrospora
Binomial name
Uncinula macrospora
Peck (1872)
Synonyms

Uncinula intermedia Berk. & M.A. Curtis (1876)

References

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