Big Ginseng (IMAGE) Penn State Caption Pennsylvania has exporting about 1,000 pounds of dried ginseng roots like this one in most years during the past decade, and researchers are trying to better understand where it all is coming from, since most forestlands in Pennsylvania are privately owned, and harvesting from public lands is not permissible Credit Eric Burkhart, Penn State Usage Restrictions non commerical use only License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.