''Agrocybe'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

mushroom A mushroom or toadstool is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground, on soil, or on its food source. ''Toadstool'' generally denotes one poisonous to humans. The standard for the name "mushroom" is t ...

s in the family

Strophariaceae The Strophariaceae are a family of fungi in the order Agaricales. Under an older classification, the family covered 18 genera and 1316 species. The species of Strophariaceae have red-brown to dark brown spore prints, while the spores themselves a ...

(previously placed in the

Bolbitiaceae The Bolbitiaceae are a family of mushroom-forming basidiomycete fungi. A 2008 estimate placed 17 genera and 287 species in the family. Bolbitiaceae was circumscribed by mycologist Rolf Singer in 1948. Description This family is of mushroom-form ...

). The genus has a widespread distribution, and contains about 100 species.

Distribution

Mushroom cultivation began with the Romans and Greeks, who grew the small ''Agrocybe aegerita''. The Romans believed that fungi fruited when lightning struck. In Europe, toxic forms are not normally found, but ''Agrocybe molesta'' could be confused with poisonous white ''

Agaricus ''Agaricus'' is a genus of mushrooms containing both edible and poisonous species, with over 400 members worldwide and possibly again as many disputed or newly-discovered species. The genus includes the common ("button") mushroom (''Agaricus bisp ...

'' species or with poisonous ''

Amanita The genus ''Amanita'' contains about 600 species of agarics, including some of the most toxic known mushrooms found worldwide, as well as some well-regarded edible species. This genus is responsible for approximately 95% of the fatalities result ...

'' species. The edible southern species ''Agrocybe aegerita'' is commonly known as the Poplar mushroom, Chestnut mushroom or Velvet pioppino (Chinese: 茶樹菇). It is a

white rot A wood-decay or xylophagous fungus is any species of fungus that digests moist wood, causing it to rot. Some species of wood-decay fungi attack dead wood, such as brown rot, and some, such as ''Armillaria'' (honey fungus), are parasitic and col ...

fungus and is a medium-sized agaric with a convex, almost flat, cap 3 to 10 cm in diameter. Underneath, it has numerous whitish radial plates adherent to the foot, later turning to a brownish-gray color, and light elliptic spores of 8-11 by 5-7 micrometres. The white fiber foot is generally curved, having a membraneous ring on the top part which promptly turns to tobacco color due to the falling spores. When very young, its color may be reddish-brown and later turn to a light brown color, more ocher toward the center and whiter around its border. It grows in tufts on logs and holes in the poplars, and other trees of large leaves It is cultivated and sold in

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

and

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

. It is an important valuable source possessing varieties of bioactive secondary metabolites such as indole derivatives with

free radical A daughter category of ''Ageing'', this category deals only with the biological aspects of ageing. Ageing Ailments of unknown cause Biogerontology Biological processes Causes of death Cellular processes Gerontology Life extension Metabo ...

scavenging activity, cylindan with anticancer activity, and also agrocybenine with antifungal activity. '' Agrocybe farinacea'' of Japan, a species closely related to ''Agrocybe putaminum'', has been reported to contain the hallucinogen

psilocybin Psilocybin ( , ) is a naturally occurring psychedelic prodrug compound produced by more than 200 species of fungi. The most potent are members of the genus ''Psilocybe'', such as '' P. azurescens'', '' P. semilanceata'', and '' P.&nbs ...

; however, there has been no recent chemical analysis carried out on this mushroom, nor any modern reports of psychoactivity.

Selected list of species

References

External links

Mushroom Expert's Information on ''Agrocybe'' Genus
{{Taxonbar, from=Q341780 Strophariaceae Agaricales genera Taxa described in 1889

Distribution

Selected list of species

See also

References

External links