Marbled Death Cap Mushrooms

Marbled Death Cap Mushroom
The Marbled Death Cap Mushroom (Amanita marmorata) is a variety of wild mushroom that is extremely toxic.

The Marbled Death Cap Mushroom (Amanita marmorata) is a variety of wild mushroom that is extremely toxic. 

This mushroom has been found growing wild in the Denmark, but may occur elsewhere in the south West region of Western Australia.

What do the mushrooms look like?

Death Cap Mushrooms look similar to some mushroom varieties sold in supermarkets, as well as those used in Chinese cooking.

It is difficult for even experienced mushroom collectors to tell the difference between Marbled Death Cap Mushrooms from the edible variety.

What are the effects of eating a Wild Death Cap mushroom?

The mushroom can cause life threatening effects in humans and animals if eaten.

Toxic effects of the Marbled Death Cap Mushrooms occur rapidly, generally within 6-24 hours or more after the mushroom has been eaten.

Life threatening effects of the toxin can cause liver damage and liver failure, even after symptoms have subsided.

Without rapid medical treatment, death may occur from eating the mushroom.


Symptoms may include:

  • stomach pains
  • nausea
  • vomiting
  • diarrhoea.

Symptoms may go away for 1–2 days, however this does not mean that the toxins have left the body, or that the body has recovered from the toxins.

Keeping Safe

  1. Be aware of the Marbled Death Cap Mushrooms. Discuss with your family and friends about the dangers of eating wild mushrooms.
  2. Do not touch wild mushrooms.
  3. Do not eat or cook wild mushrooms. 

Where to get help

  • Call the Poisons Information Centre 13 11 26
  • If you have severe symptoms, always dial triple zero (000) to call an ambulance in a medical emergency
  • See your doctor
  • Visit a GP after hours
  • Ring healthdirect Australia on 1800 022 222

This publication is provided for education and information purposes only. It is not a substitute for professional medical care. Information about a therapy, service, product or treatment does not imply endorsement and is not intended to replace advice from your healthcare professional. Readers should note that over time currency and completeness of the information may change. All users should seek advice from a qualified healthcare professional for a diagnosis and answers to their medical questions.