Resource Number: 56351
Title: Forest Disease Management Notes - Cytospora Canker
Publisher: USDA Forest Service
Resource Type: Fact sheet
Description:
Cytospora cankers are caused b several species of fungi in the
genus Cytospora. This disease is usually associated with
environmental stress. It occurs sporadically in the Pacific
Northwest, but with the exception of the dwarf mistletoe -
Cytospora association, it seldom causes serious damage.
Last Updated: January 9, 2026
Contributors:
Domain(s)/Area(S):
- Forestry
- Tree Defects