| Scientific Name: | Isolepis cernua |
| Common Name: | fiber optic grass |
| Family Name: | Cyperaceae |
| Origin: | Africa, B.C. west of Cascades, Europe, U.S. - northwest |
| Hardiness Zone: | Zone 8a: (-12 to -9.5 °C) |
| Plant Type: | Annual (true), Poales (grass-like) |
| Mature Size: | 0.1 - 0.2m x 0.1 - 0.3m (height x width) |
| Habit: | Spreading |
| Form: | Creeping / Mat-like |
| Texture: | Fine |
| Landscape Uses: | Aquatic - ponds, Bedding plant, Container planting, Group or mass planting, Perennial border, Summer interest, Wetland - bogs |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Bog |
| Leaves: | Simple, Grass-like, Alternate, Basal, Glabrous, Linear, Entire |
| Flowers: | Spikelet, Brown, Jul-Aug |
| Fruit: | Achene, Brown |
| Key ID Features: | |
| Stems numerous, slender, 4-20(-40)cm tall x 0.2-0.5mm wide; leaves 1-3 near the bases, variously developed (reduced to scales or with sheaths and very short blades further up on and exceeding the stems), 10-20cm long x 0.2–1mm wide; spikes solitary, near stem tips, 2-5.5mm long x 1-2mm wide. | |