Puzzling 'fairy circles' spotted in Australia. How did they get there? - CSMonitor.com

The first so-called fairy circles – mysterious bald patches within grasslands – found outside Namibia popped up in Australia. Where did they come from?
http://www.csmonitor.com/Environment/2016/0315/Bizarre-fairy-circles-appear-in-Australia-Where-did-they-come-from