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Austroboletus
''Austroboletus'' is a genus of fungi in the family Boletaceae. The widely distibuted genus contains 28 species that form mycorrhizal relationships with plants.
==Taxonomy==
E. J. H. Corner originally defined ''Austroboletus'' as a subgenus of ''Boletus'' in his 1972 work ''Boletus in Malaysia'', before it was raised to genus level in 1979 by mycologist Carl B. Wolfe.〔 The type species is ''Austroboletus dictyotus'', a fungus originally described by Karel Bernard Boedijn in 1960 as a member of genus ''Porphyrellus''.〔 The generic name ''Austroboletus'' means "southern bolete".〔
In a 2014 molecular genetics study, Wu and colleagues defined 22 clades within the Boletaceae. They found the genus as understood to be polyphyletic – composed of two distinct lineages. One with pitted stipes, which remained as ''Austroboletus'', while those with smoother stipes were moved to ''Veloporphyrellus''. They delineated a subfamily Austroboletoideae, which contained genera with pitted spores, including ''Austroboletus'', ''Fistulinella'', ''Mucilopilus'' and ''Veloporphyrellus''. These genera were notable in the family in that their fruit bodies generally do not change colour when bruised.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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