The hairgrass offered under the name Eleocharis parvula forms a dense, low-growing (under 10 cm in height) light green lawn of hair-thin leaves. In reality, it probably belongs to the species Eleocharis pusilla originating from Australia and New Zealand. This reliable ground-covering plant is used in aquascaping very often.
| Synonyms | Scirpus pumilio Sprengel |
| Misapplied names | Eleocharis parvula, Eleocaris parvula |
| Complete botanical name | Eleócharis pusílla R. Br. |
| Family | Cyperaceae |
| Genus | Eleocharis |
| Difficulty | easy |
| Colour | light green |
| Usage | Nano tanks, Foreground, group, Foreground, ground cover |
| Aquascaping | forms a grass-like lawn |
| Growth | medium |
| pH value | 5 - 7 |
| Temperature tolerance | 12 - 27°C |
| Carbonate hardness | 0 - 14°dKH |
| General hardness | 0 - 30°dGH |
| Propagation | Runners, Splitting, cutting off daughter plants |
| Can grow emersed? | yes |