Isoetes Lacustris
Plant Profile
Isoetes Lacustris, commonly known as Lake Quillwort, is an aquatic plant with a grass-like appearance. Rather than growing from traditional stems, it produces a cluster of stiff, dark green, needle-like leaves from a compact base. Its simple, upright growth makes it an interesting choice for natural-style aquascapes, particularly setups designed around cooler water conditions.
Key Features & Benefits
- Grass-Like Appearance: Produces narrow, upright leaves that resemble small tufts of grass or rushes.
- Compact Rosette Growth: Leaves emerge from a central base, creating a dense, rounded cluster.
- Dark Green Coloration: Features firm, dark green leaves that provide a natural contrast against lighter plants and hardscape.
- Unique Plant Structure: Belongs to a group of spore-producing plants.
- Natural Habitat: Native to cool, clear, nutrient-poor lakes and streams, where it typically grows rooted in gravelly or sandy substrates.
Care & Planting Instructions
Quick Facts
Listed information should be treated as general guidelines only. Team Buce Plant encourages you to do thorough research to ensure healthy growth!
| Attribute | Specification |
|---|---|
| Scientific Name | Isoetes lacustris |
| Common Name(s) | Lake Quillwort |
| Family | Isoetaceae |
| Plant Type / Taxonomy | Rosette |
| Care Difficulty | Advanced |
| Light Requirement | Moderate to High |
| CO2 Requirement | Not required |
| Placement / Usage | Foreground / Midground |
| Height / Size | 4-10”+ |
| Growth Rate | Very Slow |
| Water Parameters | pH 5.3–7.0 | Temp 41–68°F |
| Propagation Method | Spores |
| Origin | Northern Europe, Greenland, and Western Siberia |
Frequently Asked Questions
1. Can Isoetes Lacustris grow in a tropical aquarium?
Isoetes lacustris naturally grows in cool-water environments. Most tropical aquariums operate above its preferred temperature range, making them less suitable for long-term growth.
2. Is Isoetes Lacustris a true aquatic plant?
Yes, it is a fully submerged aquatic plant that naturally grows underwater in lakes and streams.
3. Does Isoetes Lacustris produce flowers?
No, it is a non-flowering plant that reproduces through spores produced in structures near the base of its leaves.