Northern Cushion Polypore
Climacocystis borealis
Family: Polyporaceae
Also called: Borealis Tooth, Northern Conifer Tooth

Overview
Soft white-cream bracket on spruce and other conifers in boreal forest. Causes butt rot. Inedible.
Edibility
Edible
Rarity
uncommon
Trophic mode
parasitic
Typical peak
Sep–Oct
Season
Sep–Nov — typical fruiting months: Aug, Sep, Oct.
Host trees & substrate
- Living pine
- Living hemlock
Where it grows
See live fruiting predictions for Northern Cushion Polypore on the forecast home page, or browse the full field guide.
Always confirm wild-mushroom identification with multiple sources and a knowledgeable local expert before consuming. Read the foraging safety guide.