Mexico, Sonora, San Felipe de Jesús, Northern Sierra Aconchi, trail from Arroyo los Lavadoros to Cajon Infierno headwaters; 7.0 miles, by dirt road, west of San Felipe and about 1 mile by footpath, south of the arroyo.
29.866667 -110.35
29° 52' N 110° 21' W
1067 meters
3500ft
Among grasses at contact of oak woodland with thornscrub.