Lactarius
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Lactarius
''Lactarius'' is a genus of mushroom-producing, ectomycorrhizal fungi, containing several Edible mushroom, edible species. The species of the genus, common name, commonly known as milk-caps, are characterized by the milky fluid ("latex") they exude when cut or damaged. Like the closely related genus ''Russula'', their flesh has a distinctive brittle consistency. It is a large genus with over 500 known species, mainly distributed in the Northern hemisphere. Recently, the genus ''Lactifluus'' has been separated from ''Lactarius'' based on Molecular phylogenetics, molecular phylogenetic evidence. Systematics and taxonomy The genus ''Lactarius'' was described by Christian Hendrik Persoon in 1797 with ''Lactifluus piperatus, L. piperatus'' as the original type species. In 2011, ''Lactarius torminosus, L. torminosus'' was accepted as the new type of the genus after the splitting-off of ''Lactifluus'' as separate genus. The name "''Lactarius''" is derived from the Latin ''wikt:lac#Lati ...
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Lactarius Angiocarpus
''Lactarius'' is a genus of mushroom-producing, ectomycorrhizal fungi, containing several edible species. The species of the genus, commonly known as milk-caps, are characterized by the milky fluid ("latex") they exude when cut or damaged. Like the closely related genus '' Russula'', their flesh has a distinctive brittle consistency. It is a large genus with over 500 known species, mainly distributed in the Northern hemisphere. Recently, the genus '' Lactifluus'' has been separated from ''Lactarius'' based on molecular phylogenetic evidence. Systematics and taxonomy The genus ''Lactarius'' was described by Christian Hendrik Persoon in 1797 with '' L. piperatus'' as the original type species. In 2011, '' L. torminosus'' was accepted as the new type of the genus after the splitting-off of ''Lactifluus'' as separate genus. The name "''Lactarius''" is derived from the Latin '' lac'', "milk". Placement within Russulaceae Molecular phylogenetics uncovered that, while macromorphol ...
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Lactarius Torminosus
''Lactarius torminosus'', commonly known as the woolly milkcap or the bearded milkcap, is a large species of agaric fungus. It was first described scientifically by Jacob Christian Schäffer in 1774 as an ''Agaricus'', and later transferred to the genus ''Lactarius (fungus), Lactarius'' in 1821 by Samuel Frederick Gray. ''L. torminosus'' officially became the type species of ''Lactarius'' in 2011 after molecular phylogenetic, molecular studies prompted the Taxonomy (biology), taxonomic reshuffling of species between several Russulaceae genera. The pileus (mycology), caps are convex with a central depression, and attain a diameter of up to . A blend of pink and ochre hues, the cap sometimes has concentric zones of alternating lighter and darker shades. The edge of the cap is rolled inward, and shaggy when young. On the underside of the cap are narrow flesh-colored lamella (mycology), gills that are crowded closely together. The cylindrical stipe (mycology), stem is a pale fle ...
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Lactifluus Volemus
''Lactifluus volemus'', formerly known as ''Lactarius volemus'', and commonly known as the weeping milk cap or bradley, is a species of fungus in the family Russulaceae. Phylogenetic analysis suggests that ''L. volemus'' represents several species or subspecies, rather than a single taxon. The colour of the mushroom varies from apricot to tawny, and the cap may be up to 11 cm ( in) wide. The pale golden yellow gills on the underside of the cap are closely spaced and sometimes forked. One of the mushroom's most distinctive features is the large amount of latex ("milk") that it exudes when the gills are damaged, leading to some of its common names, e.g. voluminous-latex milky. It also has a distinctive fishy smell, which does not affect the taste. The fruit bodies have been chemically analysed and found to contain several sterols related to ergosterol, some of which are unique to this species. The mushroom also contains a natural rubber that has been chemically ch ...
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Lactifluus Piperatus
''Lactifluus piperatus'' (synonym ''Lactarius piperatus''), commonly known as the blancaccio, is a basidiomycete fungus of the genus '' Lactifluus''. It was the original type species of the genus ''Lactarius'', before being moved to ''Lactifluus''. The fruiting body is a creamy-white mushroom which is funnel-shaped when mature, with exceptionally crowded gills. It bleeds a whitish peppery-tasting milk when cut. Widely distributed across Europe and eastern North America, ''L. piperatus'' has been accidentally introduced to Australia. Mycorrhizal, it forms a symbiotic relationship with various species of deciduous tree, including beech, and hazel, and fruiting bodies are found on the forest floor in deciduous woodland. Despite often being considered edible, it reportedly contains toxins and has a poor flavor, but can be used as a seasoning when dried. Taxonomy The species was one of many named by Carl Linnaeus, who officially described it in Volume Two of his ''Species Plan ...
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Arcangeliella
''Arcangeliella'' is a genus of gasteroid fungi in the family Russulaceae. Taxonomic and phylogenetic research has shown that it is very likely a synonym of ''Lactarius''. The type species ''Arcangeliella borziana'' was moved to ''Lactarius'' in 2003. However, the genus name is still in use for several species for which new combinations have not yet been proposed. The genus was circumscribed by Fridiano Cavara in Nuovo Giorn. Bot. Ital. ser.2, vol.7 on page 125 in 1900. The genus name of ''Arcangeliella'' is in honour of Giovanni Arcangeli (1840–1921), who was an Italian botanist from Florence. Species As accepted by Species Fungorum; * '' Arcangeliella ambigua'' * '' Arcangeliella beccarii'' * '' Arcangeliella borziana'' * '' Arcangeliella brunneola'' * '' Arcangeliella claridgei'' * '' Arcangeliella corkii'' * '' Arcangeliella curtisii'' * '' Arcangeliella daucina'' * '' Arcangeliella ellipsoidea'' * '' Arcangeliella laevis'' * '' Arcangeliella luteocarnea'' ...
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Lactifluus
''Lactifluus'' is one of three genera of mushroom-forming fungi containing species commonly named " milk-caps", the others being ''Lactarius'' and '' Multifurca''. It has been separated from ''Lactarius'' based on molecular phylogenetic evidence but is very similar to that genus. There are roughly 150 known ''Lactifluus'' species, which have a mainly tropical distribution but are also found in the north temperate zone and Australasia. Some of them are edible mushrooms. Taxonomy The genus ''Lactifluus'' was described in 1806 by French naturalist Henri François Anne de Roussel, with the type species ''Lactifluus piperatus''. Later, ''Lactifluus'' was largely considered a synonym of ''Lactarius'', until molecular phylogenetic work showed in 2008 that ''Lactarius'' was not a monophyletic group. In the following, the name ''Lactarius'' was conserved for the biggest of the subclades revealed, containing most well-known north temperate species. Thus, the name ''Lactifluus'' could b ...
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Edible Mushroom
Edible mushrooms are the fleshy fruit bodies of numerous species of macrofungi (fungi that bear fruiting structures large enough to be seen with the naked eye). Edibility may be defined by criteria including the absence of poisonous effects on humans and desirable taste and aroma. Mushrooms that have a particularly desirable taste are described as "''choice''". Edible mushrooms are consumed for their nutritional and culinary value. Mushrooms, especially dried shiitake, are sources of umami flavor. To ensure safety, wild mushrooms must be correctly identified before their edibility can be assumed. Deadly poisonous mushrooms that are frequently confused with edible mushrooms include several species of the genus ''Amanita'', particularly '' A. phalloides'', the death cap. Some mushrooms that are edible for most people can cause allergic reactions in others; old or improperly stored specimens can go rancid and cause food poisoning. Additionally, mushrooms can absor ...
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Multifurca
''Multifurca'' is a rare genus of ectomycorrhizal fungi in the family Russulaceae. It was described in 2008, after molecular phylogenetic study had shown that it forms a monophyletic lineage within the family, sister to ''Lactarius''. The genus contains six species known from the United States, Mexico, Costa Rica, India, China, Thailand, Australia, and New Caledonia, but so far has not been reported from Europe, Africa, or South America. Four of those species were formerly classified as ''Russula'' section ''Ochricompactae'', and ''Multifurca furcata'' was originally described as a ''Lactarius'' species. ''Multifurca'' is morphologically intermediate between ''Lactarius'' and ''Russula'': Fruitbodies have adnate to subdecurrent gills and are zonate; latex (as in ''Lactarius'' and ''Lactifluus'') is present only in ''M. furcata''; spore print is orange; spores themselves are very small with only faint ornamentation. The widespread but only punctual records of ''Multifurca'' sugge ...
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Lactifluus Vellereus
''Lactifluus vellereus'' (formerly ''Lactarius vellereus''), commonly known as the fleecy milk-cap, is a quite large fungus in the genus ''Lactifluus''. It is one of the two most common milk-caps found with beech, beech trees, with the other being ''Lactarius subdulcis''. Taxonomy and systematics ''Lactifluus vellereus'' is one of a handful of north temperate milk caps that belong to the genus ''Lactifluus'' which has been separated from ''Lactarius (fungus), Lactarius'' on phylogenetics, phylogenetic grounds. Its closest species is ''Lactifluus bertillonii, L. bertillonii'', with which it forms a rather isolated clade in the genus. Description Like other mushrooms in the family Russulaceae, the ''L. vellereus'' basidiocarp, fruit body has crumbly, rather than fibrous, trama (mycology), flesh, and when this is broken the fungus exudes a milky latex. The mature Pileus (mycology), caps are white to cream, funnel-shaped, and up to in diameter. It has firm flesh, and a Stipe ( ...
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Zelleromyces
''Zelleromyces'' is a genus of fungi in the family Russulaceae. It was first described by mycologists Rolf Singer and Alexander H. Smith in 1960 to contain hypogeous (underground) fungi with gasteroid fruit bodies that "bleed" latex when they are cut. The genus was circumscribed in Mem. Torrey Bot. Club vol.21 (3) on page 18 in 1960. The genus name of ''Zelleromyces'' is in honour of Sanford Myron Zeller (1885–1948), who was an American mycologist. Phylogenetic analyses show that ''Zelleromyces'' species fall into the genus ''Lactarius''. Nevertheless, the genus name is still in use and has not been formally synonymised with ''Lactarius'' yet. Species As accepted by Species Fungorum; Former species; (all are Russulaceae family) * ''Z. australiensis sensu'' = ''Zelleromyces glabrellus'' * ''Z. claridgei'' = '' Arcangeliella claridgei'' * ''Z. corkii'' = '' Arcangeliella corkii'' * ''Z. daucinus'' = ''Arcangeliella daucina'' * ''Z. dendriticus'' = ''Lactifluus dendrit ...
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Multifurca Furcata
''Multifurca furcata'' is a rare mushroom-forming fungus in the genus '' Multifurca''. It was originally described as a ''Lactarius'' species in 1918 and was moved to the new genus ''Multifurca'' in 2008. With the genus ''Lactarius'' it shares the exudation of milk-like latex; however, it is microscopically and molecularly distinct. It has been found very infrequently, with currently known localities in the United States, Mexico, Costa Rica Costa Rica, officially the Republic of Costa Rica, is a country in Central America. It borders Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, and the Pacific Ocean to the southwest, as well as Maritime bo ..., and China. References External links Russulales News / ''Multifurca furcata'' Russulales Fungi described in 1918 Fungus species {{russulales-stub ...
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Russula
''Russula'' is a very large genus composed of around 750 worldwide species of fungi. The genus was described by Christian Hendrik Persoon in 1796. The mushrooms are fairly large, and brightly colored – making them one of the most recognizable genera among mycologists and mushroom collectors. Their distinguishing characteristics include usually brightly coloured caps, a white to dark yellow spore print, brittle, attached gills, an absence of latex, and absence of partial veil or volva tissue on the stem. Microscopically, the genus is characterised by the amyloid ornamented spores and flesh (trama) composed of spherocysts. Members of the related genus ''Lactarius'' have similar characteristics but emit a milky latex when their gills are broken. The ectomycorrhizal mushrooms are typically common. Although some species are toxic, a number of others are edible. Taxonomy Christian Hendrik Persoon first circumscribed the genus ''Russula'' in his 1796 work ''Observationes Mycologi ...
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