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''Inocybe maculata'', commonly known as the frosty fibrecap, is a species of mushroom in the Inocybaceae family. First described by Jean Louis Émile Boudier in 1885, ''I. maculata'' can be found throughout Europe, Asia and North America. It is a medium-sized brown mushroom with a fibrous, brown cap with white remnants of a universal veil in the middle. The stem is cream or brown. The species is ectomycorrhizal and grows at the base of various trees, including beech. ''Inocybe maculata'' is poisonous, containing muscarine. Possible symptoms after consumption of ''I. maculata'' mushrooms are salivation, lacrimation, urination, defecation, gastrointestinal problems and vomiting, with the possibility of death due to respiratory failure. ==Taxonomy, phylogeny, and naming== }} |caption=Phylogeny and relationships of ''I. maculata'' and related species in section ''Maculata'' based on ITS, large-subunit, and mitochondrial small-subunit rRNA sequence data.〔 }} The species was given its specific epithet, ''"maculata"'' (from the Latin for "spotted"), by Jean Louis Émile Boudier in 1885 in an article in the ''Bulletin de la Société Botanique de France''.〔 Within the genus ''Inocybe'', it has placed within the subgenus ''Inosperma'' and section ''Rimosae''. However, Phylogenetic analysis, has shown that section ''Rimosae'' as formerly defined does not form a monophyletic group (that is, descended from a single exclusive ancestor), and former ''Rimosae'' species are better grouped into two clades, ''Maculata'' and ''Rimosae''. Other species joining ''I. maculata'' in the ''Maculata'' clade include ''I. cookei'', ''I. quietiodor'', ''I. rhodiola'', ''I. adaequata'', and ''I. erubescens''. ''Inocybe maculata'' has no generally recognised synonyms.〔"(''Inocybe maculata'' synonym list )". Species Fungorum. Accessed 22 September 2010.〕〔"(''Inocybe maculata'' ). MycoBank. Accessed 22 September 2010〕 However, there has been some debate about its status as a single species; due to the wide geographic and morphological variation of the species, some authors have proposed multiple species and varieties. In response, mycologist Thom Kuyper has listed over thirty specific names and varieties as synonyms of ''Inocybe lacera'', which is still generally recognised.〔 It has also been suggested that ''Inocybe lanatodisca'' is a synonym, but where the species occur together, they can be distinguished from each other, and so it is still recognised as distinct. The form ''I. maculata'' f. ''fulva'' was named and described in 1991 by Marcel Bon in France. ''Inocybe maculata'' is commonly known as the frosty fibrecap.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Inocybe maculata」の詳細全文を読む スポンサード リンク
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