Agaricales
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| Missing image Agaricales.jpg Amanita muscaria (Agaricaceae) | ||||||||
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Agaricaceae |
Agarics (also known as "gilled mushrooms") are one of the most familiar types of mushrooms. The order Agaricales has about 4.000 species, or one fourth of all known homobasidiomycetes. They range from the deadly destroying angel to the common button mushroom, from the hallucinogenic fly agaric to the bioluminescent jack-o-lantern mushroom.
Note that many mushrooms, such as chanterelles, have false gills, and are therefore not agarics.
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Distribution and habitat
These species are ubiquitous, present at nearly every place in the world except Antarctica. Their habitats vary largely from one species to another.
Characteristics
Basiodiocarps of the agarics are typically fleshy, with a stipe, a pileus (or cap) and lamellae (or gills), where basiodiospores are stored. This is indeed the stereotyped structure of what we would call a mushroom, hence the familiarity of the agarics.
Life cycle
The agarics' life cycle is very much representative of the basiodiomycetes. Clamp connections are present in the dikaryons of several species, but that is not always the case.
Propagation
The agarics always have their basiodiospores ejected from the basidium into the area between gill edges. The spores are then let fall to the ground or carried by the wind.
Links
- The Gilled Mushrooms ("Agaricales") (http://www.mushroomexpert.com/agaricales.html)
- Moncalvo JM, et al. 2002. One hundred and seventeen clades of euagarics. Molecular Phylogenetics and Evolution 23:357-400. Available from: http://www.botany.utoronto.ca/faculty/moncalvo/117clade.pdfTemplate:Commonscat
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