Which mushrooms are poisonous?

Are different mushrooms poisonous to the human body in different ways?

• i have always been told dont try to eat the mushrooms that grow in the yard because they were poisonous now ive heard that the drug version of mushrooms can simply be gathered from fields of grass mushrooms are known to make people halucinate is this because these mushrooms are poisonous or is it that some mushrooms cause hallucinations and others will straight up kill those who eat them

• Answer:

  Different species contain unique compounds that are sometimes unique to that species or are found in a few related species, that have different physiological effects, many have not yet been isolated. Hallucinogenic mushrooms contain the compounds psilocin and psilocybin and most of these are found in the genus Psilocybe, other psychoactive compounds include muscimol and ibotenic acid found in a few species in the Amanita genus (A. muscaria, A. Pantherina). And then the dangerous ones: Alpha-amanitin (and other Amatoxins) in the genus Amanita, like Amanita Phaloides, causes liver failure. Phallotoxin in some Amanitas as well, causing gastrointestinal symptoms Orellanine in some Cortinarius sp. causes late onset renal failure. Muscarine in Omphalotus sp, causes SLUDGE syndrom Gyromitrin in Gyromitra causes gastrointestinal symptoms, can be fatal. Coprine in Coprinus sp, causes antibuse syndrome Bolesatine in Boletus satanas causes gastrointestinal symptoms So yes, many unique toxins, there are many more than are listed here and still new ones to be identified and named...