Fragrant Snakeroot
Ageratina herbacea

Family: Sunflower (Asteraceae)
AKA: Desert Throughwort, White Throughwort
Photo taken on: September 25, 2009
Location: Bandelier National Monument, NM
Life Zones: Plains to foothills
Habitat: Moist woods

Grows to 2 ½ft with triangular, yellow-green leaves. Flower heads are in a cluster at the end of the stems with tiny disk flowers and long stamens.

Flora of North America reference.