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''Amanita frostiana'', also known as Frost's Amanita, is a small fungi species of eastern U.S.A. and southeastern Canada.〔 The mushroom varies in colours from yellow, red or reddish pink usually.〔(【引用サイトリンク】url=http://www.rogersmushrooms.com/gallery/DisplayBlock~bid~5537~gid~~source~gallerydefault.asp )〕 ==Description== Some of the species' notable physical characteristics, however, distinguish it from the other members of the genus. For instance, the colors of the cap, darkening over the disk and the universal veil colored yellow to cream. The other characteristics of the other parts of its body are as follows: * Cap : The cap is convex or sometimes shield-shaped, becoming flat with a fairly distinctly lined margin.〔 The cap may vary in lengths of 2-8 centimeters. The colors include yellow to golden orange or a different combination of scarlet or deep reddish pink. The surface is smooth, becoming slightly sticky when moist. * Stem / Stipe : The stem, also called stipe, . The universal veil material is yellow to cream, forming yellow powder or flakes at the base of the stalk. It measures "47- 62 x 4 - 11" mm, also consisting a persistent annulus.〔 * Gills : The gills are free, close, and cream in mass. The short gills are truncate to excavated-truncate and are numerous. * Spores and microscopic features : The spores measure "7.0 - 10.2" µm wide and are globose to subglobose and inamyloid. It has also been noticed that the spores of this mushroom do not turn black in color if iodine is poured on it.〔(【引用サイトリンク】title=Amanita frostiana )〕 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「Amanita frostiana」の詳細全文を読む スポンサード リンク
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