Fimbristylis cardiocarpa

Fimbristylis cardiocarpa is a sedge of the family Cyperaceae that is native to Australia.

The annual grass-like or herb sedge typically grows to a height of 0.1 to 0.5 metres (0.33 to 1.64 ft) and has a tufted habit with a diameter of about 0.3 m (1.0 ft). It blooms between February and July and produces green-brown flowers.

In Western Australia it is found in the Kimberley region where it grows in gravelly lateritic red clay soils around sandstone.