USA, Arizona, Cochise County, Fort Huachuca, On the ridgetop above Blacktail Canyon, near a helipad (H-4), some plants collected in canyons 100 m below.
31.51747 -110.41757
UTM: 348710055530012
2225 meters
7298ft.
Scattered erect, perennial herb; 15-80 cm tall. Ray: white. Disk yellow.