Use the whole specimen
Check the cap, underside, stem, base, interior, spore print, substrate, habitat, and local range.
Field safety
Wild mushroom safety and poison response
A delayed reaction can still be life threatening. When a dangerous ingestion is possible, call for help before symptoms begin.
United States Poison Control1-800-222-1222Free, confidential, 24/7
Save the evidence
Keep whole mushrooms, including the dug-up base, or meal leftovers in paper or wax paper and refrigerate them. Photograph the cap, underside, stem, base, and habitat.
Do not trust false recovery
Amatoxin and gyromitrin symptoms can wait 6 to 24 hours. Feeling better after severe gastrointestinal illness does not mean the danger has passed.
Non-negotiable beginner rules
Learn deadly patterns first
White gills, a white spore print, a ring, and a sack-like volva are an Amanita warning. Skip little brown mushrooms as a beginner.
Cooking is not detoxification
Cook known edible mushrooms, but remember that heat does not neutralize amatoxins and may not remove other toxins.
One new species at a time
Try a small cooked amount, avoid alcohol with a first trial, and keep an uncooked specimen refrigerated in a paper bag.
Folklore tests do not work
Animals, silver spoons, smell, peeling skin, and photo-ID apps cannot establish edibility.
Outside the United States, contact your local poison center or emergency service. For expert mushroom support during an incident, see NAMA's poisoning resources .