⚠ If you suspect ingestion of this species, call Poison Control immediately:
1-800-222-1222 (US) · poison.org

Red-banded Webcap

Cortinarius armillatus

⚠ Severely Toxic

Seek emergency medical care immediately

Cap color: reddish-brown,brick red
Cap size: 5–12 cm
Gill color: pale brown,cinnamon
Gill attachment: adnate
Stem: brown with conspicuous red horizontal bands or girdles
Texture: dry, firm
Habitat: birch forest, wet boreal woodland
Fruiting season: August–October
Peak season: Fall (August–October)

Key Identification Features

Cap reddish-brown to brick-red, 5–12 cm, dry
stem with distinctive 1–3 bright red horizontal bands or girdles — most diagnostic feature
cortina present when young
gills pale brown to cinnamon
associated with birch
contains orellanine

Symptoms & Toxicity

Contains orellanine causing delayed kidney failure weeks after ingestion; red stem bands are distinctive warning; seek emergency care; call Poison Control 1-800-222-1222

Regions Found

Region data not available

Look-Alikes

No documented look-alikes on record.

Safety disclaimer: This page is for educational purposes only. Never eat a wild mushroom based solely on online information. Always verify identification using multiple reliable field guides and, when possible, consult an experienced forager or mycologist. When in doubt, don't eat it. Spore & Scout accepts no responsibility for identification errors or adverse reactions. If you believe someone has ingested a toxic mushroom, call Poison Control (1-800-222-1222) immediately.