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.

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