Western Goldentop
Euthamia occidentalis (Solidago occidentalis)

Family: Sunflower (Asteraceae)
AKA: Western Goldenrod
Photo taken on: September 25, 2009
Location: Bandelier National Monument, NM
Life Zones: Plains to foothills
Habitat: Moist areas

Grows to 3ft tall with bright green, ribbed stems and narrow leaves. Tiny flowers grow in small clusters within a larger open cluster.

Flora of North America reference.