Agaricales

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poisonous mushrooms

white button mushroom

shaggy mane, or shaggy cap

panther cap mushroom

shiitake mushrooms

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Agaricales

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Berries and leaves of the bittersweet nightshade (Solanum dulcamara) plant. Poisonous plant

7 of the World’s Deadliest Plants

Periodical Cicada, Adult, Magicicada spp. Requires 17 years to complete development. Nymph splits its skin, and transforms into an adult. Feeds on sap of tree roots. Northern Illinois Brood. This brood is the largest emergence of cicadas anywhere

Why Do Some Cicadas Appear Only Every 17 Years?

Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg

Spies Like Us: 10 Famous Names in the Espionage Game

Drinking water is poured into a glass.

Water Fluoridation: Just the Facts

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Happy, smiling, flying pig

7 Everyday English Idioms and Where They Come From

Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

7 Deadliest Weapons in History

Agaricales: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	agaric • gill fungus • gill fungi

Photos and Videos

white button mushroom

shaggy mane, or shaggy cap

panther cap mushroom

shiitake mushrooms

poisonous mushrooms

See All Videos and Images →

Topics

Amanitaceae Marasmiaceae Agaricaceae oyster mushroom Pholiota Lycoperdaceae Geastrum jack-o’-lantern oyster cap Pleurotus lampas Polyporales stinkhorn Boletales

Quiz

Mushrooms growing in forest. (vegetable; fungus; mushroom; macrofungi; epigeous)

Science at Random Quiz