Deadly Webcap
Cortinarius rubellus
Family: Cortinariaceae
Also called: Deadly Webcap, Red-Skinned Webcap

Overview
Reddish-brown webcap of conifer forest. Contains orellanine — causes irreversible kidney failure 2–3 weeks after ingestion. Absolutely avoid.
Edibility
Deadly poisonous
Rarity
uncommon
Trophic mode
mycorrhizal
Typical peak
Sep–Oct
Season
Sep–Nov — typical fruiting months: Aug, Sep, Oct.
Host trees & substrate
- Mycorrhizal with pine
- Mycorrhizal with hemlock
Where it grows
See live fruiting predictions for Deadly Webcap 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.