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Bidens tripartita


Bidens tripartita is a common and widespread species of plants in the sunflower family, Asteraceae, commonly known as three-lobe beggarticks, three-part beggarticks, leafy-bracted beggarticks or trifid bur-marigold. It is native to much of Eurasia, North Africa, and North America, with naturalized populations in Australia and on some Pacific Islands.<ref>Template:GRIN</ref><ref>Template:Cite web</ref><ref>Flora of China, 狼杷草 lang pa cao, Bidens tripartita Linnaeus, Sp. Pl. 2: 831. 1753</ref><ref>Altervist Flora Italiana, Forbicina comune, Bidens tripartita L. includes photos, drawings, European distribution map</ref><ref>Atlas of Living Australia</ref>

Subspecies + varieties<ref name=e/>
  • Bidens tripartita subsp. bullatus (L.) Rouy
  • Bidens tripartita var. repens (D.Don) Sherff
  • Bidens tripartita subsp. tripartita
  • Bidens tripartita var. tripartita
Illustration circa 1905<ref>illustration from Bilder ur Nordens Flora", author C. A. M. Lindman, published 1901-1917</ref>
Infructescence ("fruiting head") and Achenes ("seeds")

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