Panaeolina

Panaeolina is a small genus of small mushrooms, containing only about four species. They are a subgroup of Panaeolus which have dark brown spores. The type species is Panaeolina foenisecii, a common lawn mushroom. Members of Panaeolina are broadly distributed throughout the world.

Panaeolina
Panaeolina cinctulus
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Agaricales
Family:
Bolbitiaceae
Genus:
Panaeolina

Type species
Panaeolina foenisecii (Persoon) Maire

Some members of Panaeolina have been reported to contain the hallucinogen psilocybin, however these results are thought to be false positives.[1]

These fungi are sometimes classified as part of the genus Panaeolus.[2] Like that genus their gills have a cloudy/speckled/mottled appearance due to the way that their spores ripen unevenly in spots, but they are distinguished because the spores are ornamented while those of Panaeolus (in the restricted sense) are smooth. Also their gills are dark brown, instead of black or grey.[3]

P. foenisecii, showing mottled gills, distinctive of Panaeolina, Panaeolus, and Lacrymaria.

Notable species
  • Panaeolina foenisecii (very common)
  • Panaeolina rhombisperma
  • Panaeolina sagarae
  • Panaeolina microsperma
gollark: Also, well-meaning people can disagree in things and be quite bad about it.
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gollark: Thanks for the arbitrary point, bot.
gollark: Anarchocommunism and whatever don't seem to have very sensical resource allocation and decision making processes. So I don't think they're very practical.
gollark: arachnocommunism > anarchocommunism

References
  1. John W. Allen & Mark D. Merlin. "Observations Regarding the Suspected Psychoactive Properties of Panaeolus foenisecii Maire". Retrieved 2012-06-10.
  2. See Mushroom expert page on Panaeolus foenisecii, which gives further references which use both these naming choices.
  3. Courtecuisse, R. & Duhem, B. (1994) "Guide des champignons de France et d'Europe" Delachaux et Niestlé ISBN 2-603-00953-2, also available in English
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