Eleocharis gracilis R.Br.

Leaf sheath oblique at the orifice. Culms ± 4-angular, deeply striate, up to 20 cm high, less than 0.8 mm wide. Spikelet ovoid to oblong or lanceolate, 5–9 mm long, 2–4 mm wide. Rhizome creeping, 2–3 mm wide. Widespread, swampy ground