Panaeolus castaneifolius

Panaeolus castaneifolius

Scientific classification

Kingdom:	Fungi
Phylum:	Basidiomycota
Class:	Hymenomycetes
Order:	Agaricales
Family:	Bolbitiaceae
Genus:	Panaeolus
Species:	P. castaneifolius

Binomial name

Panaeolus castaneifolius
(Murrill) Ola'h

''Panaeolus castaneifolius''
mycological characteristics:
gills on hymenium
cap is campanulate or convex
hymenium is adnexed or adnate
stipe is bare
spore print is black
ecology is saprophytic
edibility: psychoactive

Panaeolus castaneifolius is a rare little brown mushroom which sometimes contains small amounts of the hallucinogen psilocybin.

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Description

This is a little brown mushroom that grows in grass and has black spores. The cap is up to 4 cm across, dark gray to buff, campanulate when young and becoming to convex in age, and sometimes striated or wrinkled. The stem is 5 cm by 5 mm thick, hollow, brittle, pruinose and striated. The spores are black and slightly roughened, 13 x 8 micrometres.

This mushroom is often mistaken for Panaeolus foenisecii, and is distinguished by the dark purplish grayish blackish spore deposit and the gill color.

This species is rare; it has been collected in Oregon.