Rosy Conk

Fomitopsis cajanderi

"Fomitopsis cajanderi" is a widely distributed bracket fungus. Commonly known as the rosy conk due to its rose-colored pore surface, it causes a disease called a brown pocket rot in various conifer species. It is inedible. It is widespread in western North America, with more prevalence in southern climates. It has a particular preference for higher-altitude spruce forests.
Rosy conk  Fall,Fomitopsis cajanderi,Geotagged,United States

Appearance

"F. cajanderi" is a perennial shelf fungus. It may be identified by its small-to-medium-sized, fleshy, tough fruit-body, with a downy or crust-like top. It grows to around 3–10 cm wide. The top surface is a pink colour becoming to grey, brown, or black, with a clear margin. The inside of the conk and the bottom are a rosy pink colour. The body of the fungus is rigid and can grow up to 1 cm thick. There are 3–5 round pores per millimeter.

This polypore is morphologically similar to its relative, "Fomitopsis rosea". Other similar species include "Fomitopsis pinicola", "Ganoderma lucidum", "G. oregonense", and "Oligoporus placentus".

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Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderPolyporales
FamilyFomitopsidaceae
GenusFomitopsis
SpeciesF. cajanderi