Panaeolina castaneifolia

Panaeolina castaneifolia
Scientific classification
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Agaricales
Family:	Bolbitiaceae
Genus:	Panaeolus
Species:	P. castaneifolia
Binomial name
*Panaeolina castaneifolia* (Murrill) Bon

Panaeolina castaneifolia
Mycological characteristics
	gills on hymenium
	cap is campanulate or convex
	hymenium is adnexed or adnate
	stipe is bare
	spore print is blackish-brown
	ecology is saprotrophic
	edibility: unknown

Panaeolina castaneifolia is a rare and widely distributed little brown mushroom.

It has dark brown, coarsely roughened spores which resemble those of Panaeolina foenisecii.

Description

Cap: 2 – 4 cm, often with small wrinkles, hygrophanous, dark brown when moist drying to ochre buff. Often with a darker zone around the margin as it dries.
Gills: Broad, not crowded, adnexed, dark brown.
Stipe: 4 – 6 cm x 4 – 6 mm, pruinose, cartilaginous, the same color as the cap or pale ochre.
Spores: Dark purplish brown, rough. 12 — 16 x 7 — 9 micrometers, almond shaped, verrucose, with small germ pore.
Odor: Rather strong.
Taste: Unpleasant.
Microscopic features: Basidia four spored, pleurocystidia look like basidia and are dark brown, cheilocystidia abundant, fusoid-ventricose or subcylindric.

Habitat and formation

Panaeolina castaneifolia grows in along roadsides and grassy fields. This species was first found in New York City and is probably more widely distributed. This mushroom is often mistaken for Panaeolina foenisecii, and has similar microscopic features but can be distinguished by its thicker stem and more unpleasant taste. It also resembles Panaeolus subbalteatus and can be distinguished from that species by its roughened brown spores.

References

Stamets, Paul (1996). Psilocybin Mushrooms of the World. Berkeley: Ten Speed Press. ISBN 0-9610798-0-0.

External links

Psilocybin mushrooms

List of psilocybin mushrooms Legal status of psilocybin mushrooms

Gymnopilus	G. aeruginosus G. braendlei G. junonius G. liquiritiae G. luteofolius G. luteoviridis G. luteus G. purpuratus G. sapineus G. validipes G. viridans

Inocybe	I. aeruginascens I. corydalina var. corydalina I. tricolor

Panaeolus	P. africanus P. bisporus P. cambodginiensis P. cinctulus P. cyanescens P. fimicola P. olivaceus P. tropicalis

Psilocybe	P. allenii P. atlantis P. aucklandii P. aztecorum P. azurescens P. baeocystis P. banderillensis P. caerulescens var. caerulescens P. caerulipes P. cubensis P. cyanescens P. cyanofibrillosa P. fimetaria P. graveolens P. hispanica P. hoogshagenii P. liniformans var. americana P. makarorae P. meridionalis P. mescaleroensis P. mexicana P. ovoideocystidiata P. pelliculosa P. plutonia P. quebecensis P. samuiensis P. semilanceata P. silvatica P. strictipes P. stuntzii P. subaeruginascens P. subaeruginosa P. tampanensis P. villarrealiae P. weraroa P. zapotecorum

Other	Pholiotina cyanopus Pholiotina smithii Pluteus salicinus

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