Plants of Oxfordshire: Asteraceae - Daisy Family, Bidens - Bur-marigolds Genus
Bidens cernua, Nodding Bur-marigold
Bidens tripartita, Trifid Bur-marigold
Bidens cernua, Nodding Bur-marigold
Bidens tripartita, Trifid Bur-marigold