What is "lepironia"

Lepironia is a genus of the sedge family, comprising only one species, Lepironia articulata, known as the grey sedge. It is found in Madagascar, India, Sri Lanka, southern China, Southeast Asia ( Malaysia, Indochina, Indonesia), New Guinea, and various islands of the western Pacific ( Ryukyu Islands, Caroline Islands, Fiji, Tonga, New Caledonia). It also occurs in northern and eastern Australia, as far south as Thirlmere Lakes National Park in New South Wales.