Ragleaf Bahia
Amauriopsis dissecta (Bahia dissecta)

Family: Sunflower (Asteraceae)
AKA: Wild Chrysanthemum, Yellow Ragweed
Photo taken on: August 14, 2006
Location: Almont, CO
Life Zones: Plains to montane
Habitat: Disturbed soil, gravel slopes, roadsides

Grows to 3ft tall in an open, airy form. Stems are reddish and spreading. The ray flowers overlap and are rounded and slightly notched. The leaves are mostly basal and finely divided.

Flora of North America reference.