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

The rhizomatous perennial grass-like or herb sedge typically grows to a height of 0.5 to 0.8 metres (1.6 to 2.6 ft) and has a tufted habit.

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

[1] In Western Australia it is found in and around swamps, creeks and pools of water in the Kimberley region.

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