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

Yellow Fly Agaric

Amanita muscaria var. guessowii

⚠ Moderately Toxic

Call Poison Control: 1-800-222-1222

Cap color: Yellow to orange-yellow
Cap size: 8-20cm
Gill color: White
Gill attachment: Free from stem
Stem: White with ring and bulbous base
Texture: Smooth
Habitat: Under birch and pine in northern forests
Fruiting season: Summer-Fall
Peak season: Summer-Fall

Key Identification Features

Yellow to orange-yellow cap 8-20cm
white universal veil remnants
white free gills
white stem with ring and bulbous base
yellow-colored variety of fly agaric

Symptoms & Toxicity

Ibotenic acid and muscimol: confusion, delirium, euphoria, muscle spasms, deep sleep. Usually not fatal. Onset 30 min to 2 hours.

Regions Found

Northeast

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.