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Suillus lakei
''Suillus lakei'', commonly known as the matte Jack, Lake's bolete, or the western painted Suillus, is a species of fungus in the Suillaceae family. It is characterized by the distinctive reddish-brown tufted fibers or small scales on the cap, and the presence of a woolly veil on the stem. The caps can reach diameters of up to , while the stems are between long and usually thick. On the underside of the cap is a layer of spongy yellow to yellow-brown angular pores; these pores are covered with a whitish partial veil when young. A mycorrhizal fungus, ''S. lakei'' grows in association with Douglas fir, and can be found where this tree occurs. It is native to northwestern North America, but has been introduced to Europe, South America, and New Zealand. The mushroom is edible, but opinions vary considerably as to its quality.
==Taxonomy and naming==
American mycologist William Alphonso Murrill originally named the species ''Boletinus lakei'' after mycologist E.R. Lake of Oregon Agricultural college (now Oregon State University). Lake collected the type specimen from Corvallis, Oregon, in late November, 1907.〔 Rolf Singer later transferred the species to the genera ''Ixocomus'' and ''Boletinus'' in 1940 and 1945, respectively.〔〔 In their 1964 monograph on North American ''Suillus'' species, Alexander H. Smith and Harry Delbert Thiers transferred the species to ''Suillus''. Simultaneously, they described the ''S. lakei'' variety ''pseudopictus'' that they said had been misidentified by collectors as ''Suillus pictus'' (now called ''Suillus spraguei'') because of its reddish and scaly cap.〔 Singer considered ''Suillus amabilis'' to be the same species as ''S. lakei'', but Smith and Thiers later examined the type material of both, and concluded that they were distinct species.〔 Engel and colleagues described a variety in 1996, ''S. lakei'' var. ''landkammeri'',〔 based on ''Boletinus tridentinus'' subsp. ''landkammeri'' described by Czech mycologists Albert Pilát and Mirko Svrček in 1949.〔 The nomenclatural databases Index Fungorum and MycoBank consider this synonymous with ''S. lakei''.〔〔 The mushroom is commonly known as the "western painted Suillus",〔 the "matte Jack",〔 or "Lake's slippery cap".〔
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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