Bur-Marigold

Bidens laevis

Family: Asteraceae(radiate) (SUNFLOWER).
Other common names: smooth beggartick.
Generic common name: STICKTIGHT, SPANISH-NEEDLES, BEGGAR'S TICK.

Location: Banks of Calleguas Creek near CSUCI, Oct 2010.

Characteristics: Native, Yellow, Large, Clusters, Solitary, Simple, Herbaceous, Perennial, Summer, Fall.