Yellow pitted rot

French disease name: Carie jaune alvéolaire
Pathogen name: Hericium abietis (Weir ex Hubert) K. A. Harrison
Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Russulales
Family: Hericiaceae

Distribution

Western North America

Damage, symptoms and biology

The presence of a fruiting body indicates extensive decay in the stem. Hericium abietis has been reported to reduce merchantable volume by up to 3.1% in amabilis fir.

Other information

The fruiting bodies are generally found on slash and on the ends of cut logs but they may also form on wounds on living trees. Because of their fleshy nature, they are short lived.