Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.AllNewsSportCultureLifestyleCalifornia is experiencing an "unprecedented" rise in wild mushroom poisonings, with 47 severe cases and four deaths reported statewide since November 2025. The outbreak is linked to recent heavy rains, which have caused a resurgence of poisonous wild mushrooms, including the highly toxic Death Cap and Western Destroying Angel varieties. These dangerous mushrooms contain amatoxins, which can lead to severe liver damage and be fatal, with symptoms such as nausea, vomiting, diarrhoea, and cramping sometimes appearing up to 24 hours after consumption. Experts warn that poisonous mushrooms can closely resemble edible types, posing a significant risk to experienced foragers and those accustomed to foraging in their home countries. Public health officials advise against consuming any wild mushrooms and recommend closely monitoring children and pets in areas where they grow, as cooking or processing does not eliminate their toxicity. In fullParts of California are seeing an ‘unprecedented’ rise in mushroom poisonings. Experts think they know whyMore bulletinsThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in