''Discula destructiva'' is a

fungus A fungus (plural, : fungi or funguses) is any member of the group of Eukaryote, eukaryotic organisms that includes microorganisms such as yeasts and Mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified ...

in the family

Gnomoniaceae Gnomoniaceae is a family of fungi in the order Diaporthales. The family was circumscribed by German botanist Heinrich Georg Winter in 1886. Genera As accepted by GBIF: * '' Alnecium'' (2) * '' Ambarignomonia'' (2) * ''Anisogramma'' (6) ...

which causes

dogwood ''Cornus'' is a genus of about 30–60 species of woody plants in the family Cornaceae, commonly known as dogwoods, which can generally be distinguished by their blossoms, berries, and distinctive bark. Most are deciduous trees or shru ...

anthracnose A plant canker is a small area of dead tissue, which grows slowly, often over years. Some cankers are of only minor consequence, but others are ultimately lethal and therefore can have major economic implications for agriculture and horticultur ...

, affecting populations of dogwood trees native to North America. It was introduced to the United States in 1978 and is distributed throughout the Eastern United States and the Pacific Northwest. Its 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 ''Cornus nuttallii'', the Pacific dogwood, western dogwood, or mountain dogwood, is a species of dogwood tree native to western North America. Description It is a small to medium-sized deciduous tree, reaching tall, often with a canopy sp ...

''.

References

External links

Species Profile- Dogwood Anthracnose (''Discula destructiva'')
National Invasive Species Information Center,

United States National Agricultural Library The United States National Agricultural Library (NAL) is one of the world's largest agricultural research libraries, and serves as a national library of the United States and as the library of the United States Department of Agriculture. Located ...

. Lists general information and resources for Dogwood Anthracnose. Diaporthales Taxa named by Elias Magnus Fries {{Sordariomycetes-stub