Types of Poisonous Mushrooms: Field Signs and Safe ID
Learn to recognize poisonous mushrooms and the edible species they resemble. You study these species for a single purpose, so that you never eat any of them by mistake.
Species in this group
53 speciesAngel Wing
Pleurocybella porrigens
Beautiful Clavaria
Ramaria formosa
Big Laughing Gym
Gymnopilus junonius
Bitter Beech Bolete
Caloboletus calopus
Bitter Poisonpie
Hebeloma sinapizans
Blackedge Bonnet
Mycena pelianthina
Blistered Cup
Peziza vesiculosa
Blood-Red Webcap
Cortinarius sanguineus
Booted Amanita
Amanita multisquamosa
Brawny Bolete
Imperator torosus
Brown Roll-Rim
Paxillus involutus
Burnt Knight
Tricholoma ustale
Deadly Galerina
Galerina marginata
Deadly Webcap
Cortinarius rubellus
Death Cap
Amanita phalloides
Destroying Angel
Amanita bisporigera
Eastern Flat-Top Agaricus
Agaricus placomyces
False Morel
Gyromitra esculenta
Fly Agaric
Amanita muscaria
Gemmed Amanita
Amanita gemmata
Ghost Fungus
Omphalotus nidiformis
Green-Spored Parasol
Chlorophyllum molybdites
Jack O'Lantern
Omphalotus illudens
Panther Cap
Amanita pantherina
Sulphur Knight
Tricholoma sulphureum
Yellow Stainer
Agaricus xanthodermus
Cinnamon Webcap
Cortinarius cinnamomeus
Common Inkcap
Coprinopsis atramentaria
Freckled Dapperling
Echinoderma asperum
Liberty Cap
Psilocybe semilanceata
Lilac Bonnet
Mycena pura
Rosy Bonnet
Mycena rosea
Tawny Webcap
Aureonarius callisteus
Tiger Knight
Tricholoma pardinum
Yellow Knight
Tricholoma equestre
Common Earthball
Scleroderma citrinum
Deadly Dapperling
Lepiota brunneoincarnata
Deadly Fibrecap
Inosperma erubescens
Devil's Bolete
Rubroboletus satanas
Felt-Ringed Agaricus
Agaricus hondensis
Fool's Conecap
Pholiotina rugosa
Fool's Funnel
Clitocybe rivulosa
Fool's Mushroom
Amanita verna
Fool's Webcap
Cortinarius orellanus
Inky Mushroom
Agaricus moelleri
Livid Pinkgill
Entoloma sinuatum
Sulphur Tuft
Hypholoma fasciculare
Western Destroying Angel
Amanita ocreata
White Fibrecap
Inocybe geophylla
Woolly Milkcap
Lactarius torminosus
Club Foot
Ampulloclitocybe clavipes
Poison Pie
Hebeloma crustuliniforme
Scaly Inkcap
Coprinopsis romagnesiana
Why learn these species at all?
This tier runs from mushrooms that cause a miserable night to a few that can kill. You learn them so that you never eat any of them by mistake. Knowing them by sight is the core skill of safe foraging, because most serious poisonings start when someone confuses a toxic mushroom with an edible species. Several of them pass for prized edibles, such as the Jack O'Lantern for chanterelles and the false morel for true morels.
How the poisons differ
Many poisonous species cause severe cramps and vomiting, and the illness passes. Only a small number, led by the death cap, destroy the liver and can be fatal. The member profiles fall into a handful of toxin types, and each type attacks the body in its own way.
- Destroying angel and deadly galerina carry the same amatoxins as the death cap, and cooking does not neutralize them
- Deadly webcap contains orellanine, which can cause delayed kidney injury
- Fly agaric and panther cap contain ibotenic acid and muscimol, which act on the brain
- Fool's funnel contains muscarine, and its symptoms can start before the meal has finished digesting
- Common inkcap contains coprine, which sets up an alcohol-triggered reaction after the meal is over
- Jack O'Lantern and the green-spored parasol cause severe vomiting and diarrhea, sometimes with fluid loss that needs hospital care
- False morel contains gyromitrin, and its illness can involve delayed gut, liver and nerve effects
Warning
The most dangerous toxins act with a delay. Feeling fine hours after eating proves nothing about safety. If in doubt after eating any wild mushroom, call Poison Control or emergency services right away, and keep a sample of the mushroom.
The habits that keep you safe
Study the deadly lookalikes of anything you forage, and check every feature, including the base of the stem. When you are not certain, throw the mushroom out. If someone may have eaten a poisonous species, call Poison Control at 1-800-222-1222 in the United States before symptoms start, and follow the steps to take while you wait for help.
Frequently Asked Questions
Are all poisonous mushrooms deadly?
No. Many cause severe cramps and vomiting, and the illness passes. Only a small number, led by the death cap, damage the liver and can be fatal, so every unknown mushroom deserves caution.
Why learn poisonous mushrooms if I will not eat them?
Because knowing the dangerous species by sight is how you avoid eating one by mistake. Most serious poisonings come from confusing a toxic mushroom with an edible one.
What should I do if I think I ate a poisonous mushroom?
Call Poison Control or emergency services right away, even before symptoms start, because the deadliest toxins act with a delay. Save a sample of the mushroom so an expert can identify it.