Is a toadstool poisonous?
mushroom poisoning, also called toadstool poisoning, toxic, sometimes fatal, effect of eating poisonous mushrooms (toadstools). There are some 70 to 80 species of mushrooms that are poisonous to humans; many of them contain toxic alkaloids (muscarine, agaricine, phalline).
How can you tell if a toadstool is poisonous?
Mushrooms with white gills are often poisonous. So are those with a ring around the stem and those with a volva. Because the volva is often underground, it's important to dig around the base of a mushroom to look for it. Mushrooms with a red color on the cap or stem are also either poisonous or strongly hallucinogenic.