Panaeolus acuminatus, also known as Panaeolus rickenii, is a species of mushroom in the family Bolbitiaceae.

Panaeolus acuminatus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Bolbitiaceae
Genus: Panaeolus
Species:
P. acuminatus
Binomial name
Panaeolus acuminatus
Synonyms[1]
  • Agaricus acuminatus Schaeff., 1774
  • Agaricus caliginosus Jungh., 1830
  • Panaeolus caliginosus (Jungh.) Gillet, 1874
  • Panaeolus rickenii Hora, 1960
  • Stropharia acuminata (Scop.) Murrill, 1922
Panaeolus acuminatus
View the Mycomorphbox template that generates the following list
Gills on hymenium
Cap is convex
Hymenium is adnexed
Stipe is bare
Spore print is black
Ecology is saprotrophic
Edibility is unknown

This species contains small amounts of serotonin, 5-HTP, and tryptophan.[citation needed]

Description

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P. acuminatus is a small brown mushroom that 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.[2] Cheilocystidia present.

Habitat and distribution

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P. acuminatus grows in grass and dung. It has been found throughout North America and Europe and is very widely distributed.

See also

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References

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  1. ^ Panaeolus acuminatus (Schaeff.) Quél., 1874. Retrieved through: Interim Register of Marine and Nonmarine Genera on 31 December 2022.
  2. ^ Gerhardt, E: Taxonomische Revision Gattungen Panaeolus und Panaeolina, page 73. 1996
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