Let’s Be Careful Out There – Mushrooms & Dogs » TheOtherEndoftheLeash Below is a flyer from a woman who tragically lost her heart dog to a wild mushroom, the Death Cap. The Death Cap mushroom (Amanita phalloides) is not only the most common cause of mushroom poisoning in people in the US, it is spreading rapidly throughout the country, especially in some areas of California and New York. Here’s a story about them from NPR. The mushroom is believed to be native to Europe, not to the US, but like many imports, is expanding rapidly with little competition. It is most common around the San Francisco area, and is found most often under live oak trees (but don’t assume that’s the only place it will grow). in Public bookmarkswith dogshealth