Eleocharis R.Br. >

Leaves reduced to scales sheathing the base of the culms Eleocharis
consider the other alternative
Culms transversely septate only or not septate. Glumes with a few nerves only or nerveless either side of midrib
consider the other alternative
Culms transversely septate
consider the other alternative
Glumes without side veins. Spikelets cylindrical, up to c. 3 cm long, 3–4 mm wide. Wyong. Ponds and swamps Eleocharis equisetina