The “sleeper weed” Chilean needle grass, if nothing was done to stop it, could spread through most of New Zealand and eventually cost the country over a billion dollars, according to newly published research. <img src='https://img.scoop.co.nz/stories/images/2401/4758e5f1960501444c5e.jpeg' .
Sleeper weed poses potential billion-dollar threat; new tools to focus response voxy.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from voxy.co.nz Daily Mail and Mail on Sunday newspapers.