Shepherd’s Needles, a species native to much of its range in the United States, has been added to the USWildflowers database (01/15/2012.) Scientific name is Bidens pilosa. Photo below was taken in Sarasota County, FL, on December 18, 2011. It is also known by the common names Spanish Needles, Romerillo, Common Beggar’s-tick, Hairy Beggarticks, and Cobbler’s Pegs . Go to the Shepherd’s Needles detail page for more photos and information.