Name: Agaricus L.
Most Confident Observations:
Copyright © 2009 Dan Molter (shroomydan)
Copyright © 2012 Christian (Christian Schwarz)
Copyright © 2016 Jacob Kalichman (Pulk)
Version: 9
Previous Version 

First person to use this name on MO: Nathan Wilson
Editors: Jason Hollinger, Erlon Bailey, Rick Kerrigan, Joseph D. Cohen


Rank: Genus

Status: Accepted

Name: Agaricus

ICN Identifier: missing

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Author: L.

Citation: Sp. pl. 2: 1171 (1753)

Deprecated Synonyms: Psalliota, Gyrophragmium Mont., Longula, Longia, Agaricus sensu lato

Misspellings: Agericus, Aaricus

Notes on Taxonomy: [Edit]

Etymology: From magicus = magic, because of the remarkable colour changes of the context.

Basidiocarps large, firm, and heavy. Pileus very fleshy with margin at first involute and exceeding lamellae with thick sterile rim. Lamellae free, crowded, from sordid cream to purplish red-brown, blackening on drying, with pallid edge. Stipe thick, solid, without annulus but with felted-fibrillose volval girdlesor scales on lower part. Context whitish
but immediately turning bright yellow on cutting, then slowly turning vinaceous pink. Spores smooth, thick-walled, often with internal lens-like thickening at apex, without pore. Cheilocystidia abundant, long and slender, often (sub)capitate.
Macrochemical colour reactions: NH4OH 25% immediately bright blue-green to greyish-blue-green; aniline rather rapidly dark grey; aniline HN03 (Schaeffer reaction) deep purple.

Type species: Agaricus geesterani Bas & Heinem.

Species in this section include: Agaricus geesterani

Literature: Bas, C.; Heinemann, P. 1986. Agaricus geesterani spec. nov., a very remarkable agaric discovered in the Netherlands. Persoonia. 13(1):113-121

These notes come from Agaricus sect. Russulares Fr. when it was merged with this name:

Literature in foreign language:

These notes come from Agaricus sect. Limacini Fr. when it was merged with this name:

Literature in foreign language:
Brief Description: [See More | Edit]

Contains both edible and poisonous species. Over 300 members worldwide.Includes the common “button” mushroom (Agaricus bisporus) and the field mushroom (Agaricus campestris), the most widely cultivated mushrooms of the West.

Descriptions: [Create]


Add Comment
By: Image Sharer (image sharer)
2019-09-21 15:12:30 PDT (-0700)

You should definitely read it, and anyone else reviewing or learning the genus Agaricus.

Also see:

Whom and Why?
By: Joseph D. Cohen (Joe Cohen)
2019-09-21 15:07:35 PDT (-0700)

RE the comment:

By: Image Sharer (image sharer)2019-09-21 11:07:36 PDT (-0700)
Please Read: Fungal Diversity DOI 10.1007/s13225-016-0357-x

Whom do you want to read this? And why (in particular, what specific action should be taken based on the article)?

I also suggest that if you feel it’s important for others to read, you provide an actual link (as opposed to a mere partial citation), and that the link be to the full text.

By: Image Sharer (image sharer)
2019-09-21 11:07:36 PDT (-0700)

Please Read: Fungal Diversity DOI 10.1007/s13225-016-0357-x

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