Carex tereticaulis

Carex tereticaulis is a species of sedge of the family Cyperaceae that is native to Western Australia
The monoecious and rhizomatous perennial grass-like sedge has a tufted habit and typically grows to a height of . It blooms between September to October producing brown flowers.
It is found in coastal areas of the Peel, South West and Great Southern regions where it grows in black peaty-sandy soils.