- = Isolepis subtilis Kunth, Enum Pl. 2, 191 (1837)
- ≡ Scirpus cernuus var. subtilis (Kunth) C.B.Clarke (1894)
- = Fimbristylis exigua Boeckeler (1884)
- = Scirpus griquensium C.B.Clarke (1894)
- = Scirpus chlorostachyus Levyns (1944)
- ≡ Isolepis chlorostachya (Levyns) Soják, 148: 194 (1980 [1979])
- = Scirpus antipodus V.J.Cook (1953)
Densely tufted, bright green or yellow-green, slender and flaccid. Stems usually to 16 cm but occasionally to 30 cm high, filiform. Leaves much < stems, filiform; lower sheaths colourless, upper reddish. Inflorescence apparently lateral, of 1–3 spikelets; bract much > spikelets to 8 mm long, filiform. Spikelets 1.5–2.5 mm long, elliptical or ovoid, green and brown. Glumes 0.5–1 mm long, ± acute, pale brown or reddish-brown with distinct nerves, keel green, hardly excurrent, margins constricted beside keel. Hypogynous bristles 0. Stamens 1–2. Stigmas 3. Nut usually slightly > 1.5 mm long, triquetrous with thickened angles, distinctly apiculate, dull grey to black.
[From: Healy and Edgar (1980) Flora of New Zealand. Volume 3 as Scirpus chlorostachyus]