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''Aira caryophyllea'' is a species of grass known by the common name silver hairgrass. This is a species of bunchgrass which is native to Europe. It has been introduced to other continents, including North America, where it is naturalized and common. ''Aira caryophyllea'' is a light green grass which has a silvery sheen on its spikelets before it dries and becomes straw-colored to white. The spikelets are borne on a spreading panicle inflorescence. ==External links== *(USDA Plants Profile ) *(Jepson Manual Treatment ) *(Species account ) *(Photo gallery ) 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「Aira caryophyllea」の詳細全文を読む スポンサード リンク
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