Conocybe filaris

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.

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Description

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

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

Toxicity

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.

• Mykoweb - Conocybe filaris
• Conocybe filaris photo
• Mushroom Observer - Conocybe filaris
• Mushroom John - Conocybe filaris