USA, Arizona, Cochise County, San Pedro Riparian Nstional Conservation Area, Upper San Pedro River floodplain, along Charleston Road, just inside western boundary of SPRNCA
31.597983 -110.188017
31d 35.879m N; 110d 11.281m
1270 meters
4164ft.
Distrubed roadside adjaacent to creosote-tarbush-acacia Desertscrub