Exotic grass could help clean lead from soil

Exotic grass could help clean lead from soil
http://www.northjersey.com/news/environment/environmental_protection/Exotic_grass_could_help_clean_lead_from_soil.html 
"A subtropical grass might one day be grown in yards across North Jersey as an affordable way to deal with a lingering childhood health concern — lead contamination.
 
Montclair State University Professor Dibyendu Sarkar, left, and post doctoral research associate Ramesh Attinti with plantings of vetiver, a subtropical grass they hope can be used to remove lead from soil."