closeup view of a bloom of a bidens pilosa in the wetlands beside the anhinga trail in

closeup view bloom bidens pilosa next anhinga trail royal palm visitor center everglades national park florida common names include black-jack beggarticks hairy cobbler#39aph39#s pegs devil#39aph39#s needles bidens spanish needle farmers friend devils pitchfork hitch hikers sticky beaks traditional chinese medicine plant considered medicinal herb parts world source food