Cyperus nervulosus is a sedge of the family Cyperaceae that is native to Australia.

[1] The annual sedge typically grows to a height of 0.03 to 0.2 metres (0.10 to 0.66 ft) and has a tufted habit.

It blooms between February and July and produces green-brown flowers.

[1] In Western Australia it is found around swamps and pools in the Kimberley region where it grows in sandy-clay soils.

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