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Mycena purpureofusca : ウィキペディア英語版 | Mycena purpureofusca
''Mycena purpureofusca'', commonly known as the purple edge bonnet, is a species of agaric fungus in the family Mycenaceae. First described by Charles Horton Peck in 1885, the species is found in Europe and North America, where it grows on the decaying wood and debris of conifers, including cones. Fruit bodies have conical to bell-shaped purple caps up to set atop slender stipes up to long. The mushroom is named for the characteristic dark greyish-purple color of its gill edges. In the field, ''M. purpureofusca'' mushrooms can usually be distinguished from similar species by characteristics such as the dark purple gill edges, the deep purple cap center, and its cartilagineous consistency. The fungus contains a laccase enzyme that has been investigated scientifically for its potential to detoxify recalcitrant industrial dyes used in textile dyeing and printing processes. ==Taxonomy==
The species was first described as ''Agaricus purpureofuscus'' by American mycologist Charles Horton Peck in 1885. The type collection was made in Caroga, New York, from a moss-covered trunk of spruce.〔 Pier Andrea Saccardo transferred it to ''Mycena'' in 1887, giving it the name by which it is currently known.〔 William Alphonso Murrill moved it to ''Prunulus'' in 1916,〔 but this genus has since been subsumed in ''Mycena''.〔 In 1879, Petter Karsten described a collection made in Scandinavia as ''Mycena atromarginata'' var. ''fuscopurpurea'', but Rudolph Arnold Maas Geesteranus later placed this in synonymy with ''M. purpureofusca''. Another synonym, according to Maas Geesteranus,〔 is ''Mycena sulcata'', described by Josef Velenovský in 1920 from Czechoslovakia.〔 Alexander H. Smith classified the species in section ''Calodontes'', subsection ''Ciliatae'' of ''Mycena'' in his 1947 monograph on North American ''Mycena''.〔 Rolf Singer put it in the section ''Rubromarginata'' in his 1986 ''The Agaricales in Modern Taxonomy'', a group characterized by having distinct red marginate gills.〔 The specific epithet ''purpureofuscus'' combines the Latin words ''purpur'' (purple) and ''fusco'' (dark or dusky).〔 It is commonly known as the "purple edge bonnet".〔
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