Resource Number: 56331
Title: Forest Disease Management Notes - Brown Crumbly Rot
Publisher: USDA Forest Service
Resource Type: Fact sheet
Description:
Brown crumbly rot is caused by Fomitopsis (Fomes) pinicola,
commonly called the redbelt fungus. This is the most com-
monly observed rotter of slash and dead trees in the Pacific
Northwest. Conks are occasionally seen on dead portions of
living conifers and indicate considerable decay.
Last Updated: January 6, 2026
Contributors:
Domain(s)/Area(S):
- Forestry