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31-03-2021
Bureau Report
MELBOURNE: Heavy rains have caused poisonous mushrooms to start popping up around Melbourne and regional Victoria, including the potentially fatal death cap fungi.
Victorians have been warned not to pick any wild mushrooms.
“The recent conditions have been ideal for poisonous mushrooms, and recent rains have seen them start to sprout in metropolitan Melbourne and regional Victoria,” Victoria’s Deputy Chief Health Officer Dr Angie Bone said.
“While commercially sold mushrooms are safe, poisonings can occur when people gathering wild mushrooms inadvertently include toxic species. Poisonous mushrooms may appear very similar to edible varieties.”
Last year, the combination of coronavirus and an ideal growing season saw Victoria’s Poisons Information Centre receive a record number of calls about mushroom poisoning incidents.
In 2020, there were 426 calls about potential mushroom poisoning.
This is more than double the number of calls in the previous two years – 194 calls in 2019 and 200 calls in 2018.
In some cases, patients were so sick they needed treatment in intensive care.
Two toxic mushrooms are the death cap fungus, Amanita phalloides and the yellow staining mushroom, Agaricus xanthodermus.
The death cap is a large mushroom, with a cap ranging from light olive green to greenish-yellow in colour.
The gills are white, and the base of the stem is surrounded by a cup-shaped sac.
The commonly found yellow staining mushroom turns yellow when the cap or stem is bruised by a thumbnail.
The most dangerous variety is the Death Cap, usually found near deciduous trees, especially around oaks, in some Melbourne suburbs and rural areas.
Dr Bone said anyone who becomes ill after eating mushrooms should seek urgent medical advice and, if possible, take samples of the whole mushroom for identification.
“Symptoms of poisoning can include violent stomach pains, nausea, vomiting and diarrhoea. Symptoms may subside after a day or two – but this doesn’t necessarily mean recovery in the case of death cap poisoning,” Dr Bone said.
“Death can follow within 48 hours from serious liver damage. The death cap is extremely toxic and responsible for 90 per cent of all mushroom poisoning deaths.
“If you have any doubts about a species of fungus or mushroom, don’t eat it.
“Cooking, peeling or drying these mushrooms does not remove or inactivate the poison.”
