Leucostoma kunzei (Fr.)

Fr., (1846) Discula destructiva is a fungus in the family Gnomoniaceae which causes dogwood anthracnose, affecting populations of dogwood trees native to North America.

[1] It was introduced to the United States in 1978 and is distributed throughout the Eastern United States and the Pacific Northwest.

[2] 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.