]> GH barcode-00571270 United States of America South Carolina 2.4 miles south of Chester County line along Old Douglass Rd (Sec Hwy 22), 13 air miles NW of Winssboro; elev. 584 ft Robinia ×ambigua Poiret Poiret 2016-08-11 11:05:41 J. B. Nelson