Resinous Polypore
Ischnoderma resinosum
Family: Fomitopsidaceae
Also called: Resinous Polypore, Late Fall Polypore, Benzoin Bracket
Overview
Annual brown polypore on dead hardwood — birch, maple, beech. Resinous brown surface that bleeds drops when young. Edible only while young and watery.
Edibility
Edible
Rarity
uncommon
Trophic mode
saprotrophic
Typical peak
Sep–Oct
Season
Sep–Nov — typical fruiting months: Aug, Sep, Oct.
Host trees & substrate
- Dead standing beech snags and logs
- Dead standing maple snags and logs
- Dead standing birch snags and logs
Where it grows
See live fruiting predictions for Resinous 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.