Panaeolus acuminatus

Panaeolus acuminatus, also known as Panaeolus rickenii is a common little brown mushroom.

Panaeolus acuminatus
Scientific classification
Kingdom:
Fungi
Phylum:
Basidiomycota
Class:
Agaricomycetes
Order:
Agaricales
Family:
Bolbitiaceae
Genus:
Panaeolus
Species:
P. acuminatus
Binomial name
Panaeolus acuminatus
Synonyms

Panaeolus rickenii

Panaeolus acuminatus
gills on hymenium
cap is convex
hymenium is adnexed
stipe is bare
spore print is black
ecology is saprotrophic
edibility: unknown

This species contains small amounts of serotonin, 5-HTP, and tryptophan.

Description

This is a little brown mushroom that grows on grass and dung and has black spores. It has a cap that is less than 4 cm across, hygrophanous, conic to campanulate to plane, usually with an umbo. The gills are dark purplish black, crowded, with several tiers of intermediate gills. The spores are (11) 13 - 15 (17) x 9 - 11 (12) x (6.5) 7 - 8 (9) micrometers, smooth, black, and shaped like lemons.[1] Cheilocystidia present.

Habitat and distribution

Panaeolus acuminatus is a mushroom that grows in grass and in dung. It has been found throughout North America and Europe and is very widely distributed.

See also

References
  1. Gerhardt, E: Taxonomische Revision Gattungen Panaeolus und Panaeolina, page 73. 1996


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