Bidens Species, Butterfly Needles, Hairy Beggarticks, Spanish Needle (Bidens pilosa)

A typical weed that little one. Rio de Janeiro, early summer.

by Monocromatico Mar 9, 2005 3:11 PM

Flowers. Rio de Janeiro, early summer.

by Monocromatico Mar 10, 2005 3:11 PM

Bidens pilosa, Spanish needles, seeds

by oladyhoo Nov 28, 2005 9:51 PM

Bidens bipinnata, Spanish needles--why they cling so well

by oladyhoo Nov 29, 2005 9:51 PM

Hairy Beggar-ticks in Queensland, Australia, September 1995

by kennedyh Jan 19, 2006 10:44 PM

Photographed in Trinidad

by Todd_Boland Dec 8, 2007 11:18 PM

by losmilagros Jan 28, 2008 4:01 AM

Bidens Pilosa in Florida in January.Ready seed to collect.

by losmilagros Feb 14, 2008 4:00 AM

Bidens Pilosa.December 2008.

by losmilagros Feb 14, 2008 4:00 AM

Bidens Pilosa - Putnam County FL

by smithj90 Oct 8, 2008 12:03 AM