“Death cap” mushrooms, in particular – a member of the amanita genus of mushrooms – are a poisonous species found in Wisconsin and, more broadly, in the U.S. Ingesting even a single mushroom can be fatal to an adult human. Because pets typically have smaller body weights, doses can be lethal in less quantity.
Go to full article: https://www.vetmed.wisc.edu/death-cap-mushrooms-pose-threat-to-dogs/