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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Rubus trifrons ： ウィキペディア英語版 Rubus trifrons ''Rubus trifrons''is a rare North American species of flowering plant in the rose family. It has been found only in eastern Canada (Québec and Nova Scotia) and the northeastern United States (New York, New Hampshire, Vermont).〔(Biota of North America Program 2014 county distribution map )〕〔Blanchard, William Henry 1906. American Botanist 11(1): 11–13〕 The genetics of ''Rubus'' is extremely complex, so that it is difficult to decide on which groups should be recognized as species. There are many rare species with limited ranges such as this. Further study is suggested to clarify the taxonomy.〔(Flora of North America, ''Rubus'' Linnaeus, 1754. Bramble )〕 Some studies have suggested that ''R. trifrons'' may have originated as a hybrid between ''R. setosus'' and ''R. hispidus.''〔(Flora of North America, ''Rubus setosus'' Bigelow, 1824. Bristly blackberry, ronce sétuleuse )〕 ==References== 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「Rubus trifrons」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.