Best Deadly
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Gyromitra esculenta, the false morel, is a toxic European ascomycete containing gyromitrin, which metabolizes to the poison monomethylhydrazine and has caused human fatalities, particularly in Scandinavia.
A common mycorrhizal mushroom once considered edible, now known to cause fatal immune-mediated hemolysis upon repeated ingestion, notably killing German mycologist Julius Schäffer.
A deadly poisonous webcap of boreal forests in Europe and North America containing orellanine, a nephrotoxin that causes kidney failure with a dangerous delay of days to weeks.
A deadly European mushroom containing the nephrotoxin orellanine, notable for a latency period of up to three weeks before kidney failure symptoms appear, causing numerous fatalities.
A deadly European fibercap with very high muscarine content, responsible for recorded fatalities and dangerous because it can resemble edible species emerging in spring.
A deadly wood-rotting agaric distributed worldwide that contains amatoxins identical to death cap toxins, responsible for fatalities when mistaken for edible species like honey mushrooms.
Amanita phalloides, the death cap, is responsible for the majority of fatal mushroom poisonings worldwide, containing amatoxins that cause delayed liver and kidney failure with no effective antidote.
Amanita verna, the fool's mushroom, is a lethal all-white European species containing amatoxins, historically confused with edible Agaricus species, leading to fatal poisonings particularly in spring.
Amanita ocreata, the western North American destroying angel, is a deadly white Amanita native to the Pacific coast of the United States, responsible for fatal poisonings each year due to its edible-mushroom resemblance.
Amanita virosa, the destroying angel, is a deadly European Amanita containing amatoxins comparable to those of Amanita phalloides, distinguished by its entirely white fruiting body and skirted stipe.
