Abildgaardia macrantha, synonym Fimbristylis macrantha, is a sedge of the family Cyperaceae that is native to Australia.

[1] The perennial grass-like or herb sedge typically grows to a height of 0.4 to 0.7 metres (1.31 to 2.30 ft) and has a tufted habit.

It blooms between January and March and produces brown flowers.

[2] In Western Australia it is found on rocky hills and scree slopes in the Kimberley region where it grows in gravelly lateritic soils.

[2]