How Poisonous Are Jack-o-lantern Mushrooms?
How Poisonous Are Jack-o-lantern Mushrooms? Jack-o-lantern mushrooms contain the toxin muscarine, which, although not deadly in humans, causes severe cramps, diarrhea, vomiting, and abdominal pain for several days. Are mushrooms poisonous if you touch them? “If found, the fungus should not be touched, and definitely not eaten,” said Matt Barrett, an expert on fungi at