United States, South Carolina, Laurens, FLORA OF SOUTH CAROLINA Laurens County Ca. 1/8 acre, within mat of Polygonum lapathifolium; flowers bright yellow, visited by wasps and several species of bees; along the river channel in the Reedy River arm of Lake Greenwood; 1.4 miles NW of confluence with Rabon Creek; 3.5 miles due west of downtown Waterloo.