Discula destructiva
Encyclopedia
Discula destructiva is a fungus
Fungus
A fungus is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds , as well as the more familiar mushrooms. These organisms are classified as a kingdom, Fungi, which is separate from plants, animals, and bacteria...

 in the family Valsaceae
Valsaceae
The Valsaceae are a family of sac fungi in the Diaporthales order....

 which causes dogwood
Dogwood
The genus Cornus is a group of about 30-60 species of woody plants in the family Cornaceae, commonly known as dogwoods. Most dogwoods are deciduous trees or shrubs, but a few species are nearly herbaceous perennial subshrubs, and a few of the woody species are evergreen...

 anthracnose, affecting populations of dogwood trees native to North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

.

It was introduced to the United States in 1978 and is distributed throughout the Eastern United States and the Pacific Northwest. It's origins are unknown. It typically occurs in cool, wet spring and fall weather. One can avoid this fungus by watering dogwoods during drought and general cultural control care.

Species affected: Cornus florida and Cornus nuttallii.

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