Solidago missouriensis
A goldenrod I know from New Mexico, where it is common in relatively moist, open areas at higher elevations.
An inflorescence on the Pine Tree Trail at Aguire Spring on the east side of the Organ Mountains, NM, 9/24/05.
A cauline leaf on the Pine Tree Trail, 9/24/05.
Plant habit on the Pine Tree Trail, 9/24/05.