Resource Number: 56338
Title: Forest Disease Management Notes - Brown Trunk Rot
Publisher: USDA Forest Service
Resource Type: Fact sheet
Description:
Brown trunk rot is caused by Fomitopsis officinalis commonly
called the quinine conk. Decay by this fungus is most common
in old-growth trees. Trees bearing quinine conks usually are
extensively decayed.
Last Updated: January 6, 2026
Contributors:
Domain(s)/Area(S):
- Forestry
| Subject |
|---|
| (Fomitopsis officinalis) |