this post was submitted on 08 Feb 2026
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Four people have died and three others have required liver transplants after eating the aptly named death cap mushroom that is proliferating in California following a rainy winter.

The California Department of Public Health is urging people to avoid mushroom foraging altogether this year because death cap mushrooms are easily confused with safe, edible varieties.

Since Nov. 18 there have been more than three dozen cases of death cap poisonings reported, including the four deaths and three liver transplants, according to the health department. Many who sought medical attention suffered from rapidly evolving acute liver injury and liver failure. Several patients required admission to an intensive care unit. They have ranged in age from 19 months to 67 years old.

The death cap is one of the most poisonous mushrooms in the world and is part of a small group of mushrooms containing amatoxins, which are highly potent compounds causing 90% of fatal mushroom poisonings globally. They are in city parks and in forests, often under oak trees.

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[–] ameancow@lemmy.world 39 points 3 days ago* (last edited 3 days ago) (9 children)

In this post: some very confident sounding people with very, very bad ideas about how toxic mushrooms work.

Please don't pick and eat mushrooms in the wild unless you've had actual experienced people teach and train you.

Here are some facts you need to know:

  • You cannot cook fungus toxins out. They are not potatoes.

  • Every "obviously" safe mushroom has at least one species of look-alike that can be dangerous. You need more knowledge than a single picture in a field guide.

  • You cannot taste mushroom toxins, they taste just like any other mushroom.

  • A poisonous mushroom doesn't kill you fast, it takes days or weeks for the toxins to work on your organs. These toxins can exist in a spectrum from "mild stomach ache" to "you're doomed without several new organs very soon." depending on what you ate and how much.

  • Knowing how to identify safe mushrooms is not an identity, don't act like people are stupid if they can't tell as easily. There are a lot of people who don't know how much they don't know.

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[–] tja@lemmy.world 16 points 3 days ago* (last edited 3 days ago)

All of those involved in this were people who used to forage in their respective home countries. They knew regional edible species before moving to California, as a result they identified what they thought was edible, but as it happens was deadly poisonous.

Please don't come away with the opinion that you cannot identify mushrooms or that the process is somehow mysterious, that's not the case. If you are considering getting into mushroom identification, please get in touch with your local mycological society: https://namyco.org/ as they are an excellent resource and it's a whole lot of fun. Don't rely on anyting a "AI" will provide you, either forward or backward. Don't ever just guess or YOLO it. When in doubt, throw it out.

Articles like this come out every time these unfortunate events occur, and since mushrooms are culturally stigmatized, the facts of the events are brushed over and uneducated attitudes and stigmas are spread and continue fester--which is a shame as it provoakes a very fearful attitude towards mushrooms in general.

[–] sturmblast@lemmy.world 7 points 2 days ago (2 children)

Please educate yourself extremely well if you plan on eating wild mushrooms

[–] Bubbaonthebeach@lemmy.ca 2 points 2 days ago

Or if you plan to feed them to anyone else, ICE agent perhaps? Don't want people accidently murdering feds.

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[–] Mrkawfee@lemmy.world 22 points 3 days ago (5 children)

So unsettling that some mushrooms are delicious in a risotto or omelette and others will fucking murder you.

[–] Quill7513@slrpnk.net 18 points 3 days ago (1 children)

here's the thing: the poison mushrooms are also delicious

[–] lukaro@lemmy.zip 9 points 3 days ago

I prefer the ones that show me god.

[–] tomiant@piefed.social 11 points 3 days ago

And some transport you to parallel dimensions to meet magical imps. Fungi are extremely cool organisms.

[–] btsax@reddthat.com 5 points 2 days ago* (last edited 2 days ago)

This is also kind of true of plants in the nightshade family like potatoes and tomatoes where they can be pretty poisonous if you eat the wrong parts, we just know which parts we can eat. We also don't have cultural stigma against eating potatoes so more people know about them. Knowledge is power!

Also, tobacco and chile peppers are in the nightshade family as well, but the "poisonous" chemical in those is slightly altered in each case to make nicotine and capsaisin respectfully. Neat!

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[–] skip0110@lemmy.zip 78 points 4 days ago (1 children)

19 months! Who feeds foraged mushrooms to an infant?!

[–] plantfanatic@sh.itjust.works 58 points 4 days ago (1 children)

Ate it off the ground most likely.

[–] Keilik@lemmy.world 52 points 4 days ago

There was a big kerfuffle in my community because a bunch of these popped up in the children’s playground at the park so it’s entirely possible

[–] meejle@piefed.world 55 points 3 days ago (1 children)
[–] samus12345@sh.itjust.works 7 points 3 days ago

It's a yummy death mushroom!

[–] sunbrrnslapper@lemmy.world 58 points 4 days ago (7 children)

I live in the PNW, where there are several varieties of poisonous mushrooms, including death caps. Apparently people can safely forage for mushrooms - but it scares the crap out of me because of the exact scenario in this article.

[–] circuscritic@lemmy.ca 56 points 4 days ago (9 children)

Foraging for mushrooms is one of those activities where the risks far outweigh the rewards, at least to me.

[–] ButteryMonkey@piefed.social 20 points 4 days ago (2 children)

Especially when you can cultivate most of the good ones yourself

[–] xtr0n@sh.itjust.works 17 points 4 days ago (6 children)

You can’t cultivate morels or chanterelles. I don’t think you can cultivate porcini? I don’t think there are deadly look alikes for those varieties but folks really need to consult experts if they’re gonna dabble in mushroom hunting.

I think people get into trouble hunting for psychedelics since 1) many of the experts (like at mushroom hunting clubs) won’t help with anything illegal and 2) many of the fun mushrooms are little brown mushrooms which are pretty difficult to identify correctly.

TLDR: If you’re looking to make risotto, you can probably learn enough to do it safely. If you’re looking to expand your mind, just buy spores from a reputable source and grow.

[–] chux@feddit.org 10 points 3 days ago (1 children)

I think morels can be cultivated by now to some extent, but seemingly not yet in any significant quantities. Porcinis cannot not be cultivated and are one of the easiest mushrooms to learn to safely forage. Hunting for psychadelics is risky and in some regions very disappointing. In europe for example there arent many true psychadelic mushrooms that grow in the wild (psilocybe). I have only seen two kinds here but i dont pay to much attention to them either. Problematic when foraging them wild, if one wants to consume them, is also that the content of the psychadelic substance may vary quite significantly making it hard to judge the dosage. And yes they are not as easy to safely identifiy as many common 'choice edible' mushrooms. But these are not the main source of poison cases. The main souce are still the destroying angel and such that are mistaken for some agaricus like the ones one can buy in every supermarket. Of course if one approaches this seriously learning the basics for 'choice edibles' isn't to hard, the problem is that some do forage without learning the basics.

[–] xtr0n@sh.itjust.works 8 points 3 days ago

Damn. People are getting killed over what they thought was a $2/lb button mushroom? I can see making the effort to hunt and properly identify for a $34/lb gourmet. But a bog standard cremini? Madness.

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[–] echodot@feddit.uk 6 points 3 days ago (1 children)

Yeah the reward is you get some mushrooms. It's not like they're expensive to buy

[–] tomiant@piefed.social 8 points 3 days ago (1 children)

LOL! Fancy mushrooms are ridiculously expensive, you can even sell them directly to restaurants if you find a good batch and just call them up and offer them.

[–] SaveTheTuaHawk@lemmy.ca 4 points 3 days ago

I got two free meals at a Michelin star restaurant for a few quarts of Chanterelles. No way I could eat them all.

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[–] tresspass@lemmy.world 8 points 3 days ago (3 children)

I forage mushrooms. I think there is both a healthy fear and an overreaction to how dangerous it really is. A novice can forage for something like chicken of the woods because it is an obvious species that has no deadly lookalikes. However there are mushrooms even I still avoid despite knowing exactly what they are because they have poisonous lookalikes.

What's really surprising is people seem to think foraging plants to be safer despite there being plants with edible lookalikes like poison hemlock that can kill in minutes.

In the end, a little bit of practice, focus, and understanding safety, mushroom foraging, and plant foraging, is actually much less dangerous than one would imagine. Still, if you don't know what you are doing you should never eat a mushroom or plant that you aren't 100% certain is what it is. Never munch on a hunch.

[–] Eufalconimorph@discuss.tchncs.de 6 points 3 days ago (2 children)

Notably Death Cap mushrooms aren't present worldwide. A number of the poisonings are from people who learned about mushroom foraging in one area, then moved to California and didn't learn that the safe mushrooms from their home have deadly lookalikes in California.

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[–] Fedizen@lemmy.world 8 points 3 days ago (1 children)

Are these linked to "AI identification"?

[–] tja@lemmy.world 7 points 2 days ago* (last edited 2 days ago)

Not likely, all the victims were migrants who had a practice of forraging where they grew up natively. I've read about cases like this across the country on either coast of the US.

However, there seems to be a spike, either due to the rains in California or perhaps another reason--not going to go as far as plaming 'AI' identification. I certainly wouldn't trust "AI" to do that job.

The California health department is providing video and documentation in order to help people identify the "Death Cap" mushroom in multiple languages:

https://www.cdph.ca.gov/Programs/CCDPHP/DEODC/EHIB/Pages/EIS/Poisonous-Mushrooms.aspx

[–] cheesybuddha@lemmy.world 33 points 3 days ago (3 children)

Who the fuck is giving a one year old child some mushroom they found in the woods?

[–] humorlessrepost@lemmy.world 29 points 3 days ago (1 children)

The Secretary of Health and Human Services, probably.

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[–] rollerbang@lemmy.world 8 points 3 days ago

In my country we even avoid giving mushrooms we know are safe, nearly impossible to harvest incorrectly, to children under 4 because they may be hard on the digestive system.

[–] regedit@lemmy.zip 6 points 3 days ago (3 children)

Probably no one. Kid probably found it and parents didn't know or couldn't stop some of it from getting into the kid. Children at that age are on a mission to speed run life.

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[–] echodot@feddit.uk 15 points 3 days ago (17 children)

They're about a billion different forms of mushroom and they all look mostly the same why would anyone risk it?

[–] YiddishMcSquidish@lemmy.today 9 points 3 days ago* (last edited 3 days ago) (2 children)

Real talk! I studied mycology, and the only culinary mushroom I feel comfortable identifying is morels.

[–] SaveTheTuaHawk@lemmy.ca 8 points 3 days ago (2 children)

If you can't tell a death cap from Chicken of the Woods or Chanterelle or Oyster, you need to take more courses.

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[–] AA5B@lemmy.world 4 points 3 days ago (4 children)

Plus they taste horrible and have weird texture. Just don’t even go there.

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[–] rayyy@lemmy.world 4 points 2 days ago

There are old mushroom hunters and there are are bold mushroom hunters. There are very, very few old, bold mushroom hunters. There are only a few deadly mushrooms so why not aquatint yourself with them before eating them, and dying?

[–] homesweethomeMrL@lemmy.world 15 points 4 days ago (3 children)

None are ICE goons. I checked.

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