Cortinarius orellanus

Cortinarius orellanus
Scientific classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Cortinariaceae
Genus: Cortinarius
Species:
C. orellanus
Binomial name
Cortinarius orellanus
Fries, 1838
Synonyms

Cortinarius rutilans Quél.
Dermocybe orellana (Fr.) Ricken

Cortinarius orellanus
Gills on hymenium
Cap is flat
Hymenium is adnate
Stipe has a ring
Spore print is reddish-brown
Ecology is mycorrhizal
Edibility is deadly

Cortinarius orellanus, commonly known as the fool's webcap or fools webcap, is a species of deadly fungus in the family Cortinariaceae native to Europe. Within the genus it belongs to a group known as the Orellani, all of which are highly toxic—eating them results in kidney failure, which is often irreversible. The mushroom is generally tan to brown all over.