Conocybe filaris

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Conocybe filaris
Conocybe rugosa.jpg
Conocybe filaris
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Bolbitiaceae
Genus: Conocybe
Species: C. filaris
Binomial name
Conocybe filaris
(Fr.) Kühner (1935)
  • Agaricus togularis var. filaris Fr. (1884)
  • Pholiotina filaris (Fr.) Peck (1908)
  • Pholiota togularis var. filaris (Fr.) J.E.Lange (1921)
  • Pholiota filaris (Fr.) Singer (1936)
Conocybe filaris
View the Mycomorphbox template that generates the following list
Mycological characteristics
gills on hymenium

cap is conical

or flat
hymenium is adnexed
stipe has a ring

spore print is brown

to reddish-brown
ecology is saprotrophic
edibility: deadly

Conocybe filaris is a common lawn mushroom which is widely distributed and especially common in the Pacific Northwest. It contains the same mycotoxins as the death cap. It is also known as Pholiotina filaris.


Conocybe filaris has a cap which is conical, expanding to flat, usually with an umbo. It is less than 3 cm across, has a smooth brown top, and the margin is often striate. The gills are rusty brown, close, and adnexed. The stalk is 2 mm thick and 1 to 6 cm long, smooth, and brown, with a prominent and movable ring. The spore print is rusty brown.

Distribution and habitat[edit]

Conocybe filaris is common and widely distributed on lawns and wood chips in America's Pacific Northwest.


They have been shown to contain amatoxins, which are highly toxic to the liver and are responsible for many deaths by poisoning from mushrooms in the genera Amanita and Lepiota. They are sometimes mistaken for Psilocybe, especially Psilocybe cyanescens and Psilocybe subaeruginosa species due to their similar looking pileus (cap).

See also[edit]

List of deadly fungi

External links[edit]