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Bidens discoidea : ウィキペディア英語版 | Bidens discoidea
''Bidens discoidea'' (small beggarticks) is a North American species of flowering plant in the daisy family. It is widespread across eastern Canada and the eastern and central United States, from Nova Scotia west to Minnesota, south to Florida and Texas.〔(Biota of North America Program 2014 county distribution map )〕 ''Bidens discoidea '' is an annual herb up to 180 cm (72 inches) tall. It produces as many as 3 flower heads containing orange disc florets but no ray florets. The species grows in marshes and other wet sites.〔(Flora of North America, Bident discoïde, ''Bidens discoidea'' (Torrey & A. Gray) Britton )〕〔(Torrey, John & Asa Gray. 1842. Flora of North America 2(2): 339 ) as ''Coreopsis discoidea''〕 ==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「Bidens discoidea」の詳細全文を読む
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