It is insect-pollinated, with seed being distributed by animals, typically by attaching to the fur of mammals ( epizoochory ).
2.
Wind dispersal is common ( " epizoochory ", in which the dispersal unit, a single cypsela ( e . g . " Bidens " ) or entire capitulum ( e . g . " Arctium " ) provided with hooks, spines or some equivalent structure, sticks to the fur or plumage of an animal ( or even to clothes, as in the photo ) just to fall off later far from its mother plant.
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