Floating Fern (Salvinia natans) is an aquatic fern native to parts of Europe and Asia, thriving in nutrient-rich, still or slow-moving water bodies. It forms dense mats on water surfaces, which can reduce evaporation and suppress algae growth, contributing to a balanced aquatic ecosystem. In regenerative agriculture, it is valued for its role in natural water filtration and habitat provision for aquatic organisms. Floating Fern can be integrated into constructed wetlands to enhance water quality and biodiversity. Historically, it has been used in traditional water management systems in Asia. In agroecology, it serves as a ground cover in water gardens, providing habitat for beneficial insects and small aquatic life. However, it can become invasive outside its native range, necessitating careful management.
Growing Details
Floating Fern thrives in nutrient-rich, still or slow-moving water bodies with high humidity and full sunlight. It propagates easily through vegetative means, forming dense mats that can cover large areas of water. Regular monitoring is necessary to prevent it from becoming invasive in non-native regions. Companion plants include water lilies and cattails, which can coexist without competition. Avoid over-fertilizing water bodies to prevent excessive growth. Harvesting is not applicable as it is
The map shows known occurrence points of <strong>Salvinia natans</strong> recorded in scientific biodiversity databases.
Source: <a href="https://www.gbif.org" target="_blank">GBIF.org</a> โ Global Biodiversity Information Facility
Location & Timing
native geo location: Europe and Asia
applicable geo region: Temperate regions
language used: en
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Uses & Benefits
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medicinal uses:
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other uses: Mulch; Water filtration
Scientific Literature
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Botanical data
specie: Salvinia natans
common names: Floating Fern; Water Fern; Floating Watermoss
family: Salviniaceae
sub family:
tribe:
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genus: Salvinia
Growing Conditions
area needed: 0.0 m
spacing: 0.0 m
growing difficulty: Low
Deciduous / Evergreen:
Seed Temp (Opt/Min/Max): 0ยฐC / 0ยฐC / 0ยฐC
Plant Temp (Opt/Min/Max): 20ยฐC / 15ยฐC / 30ยฐC
water demands: High
humidity:
light demands: High
root type: Shallow
frost tender: High
hardness:โโโโโโโโโโ(8/10)
first harvest: 0 years
life span: 0 years
succession: Pioneer
growth rate: Fast
max height: 0.1 m
max width: 1.0 m
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pH preference:
Neutral
flower type:
growth details: Floating Fern thrives in nutrient-rich, still or slow-moving water bodies with high humidity and full sunlight. It propagates easily through vegetative means, forming dense mats that can cover large areas of water. Regular monitoring is necessary to prevent it from becoming invasive in non-native regions. Companion plants include water lilies and cattails, which can coexist without competition. Avoid over-fertilizing water bodies to prevent excessive growth. Harvesting is not applicable as it is
Potential Disturbances: Floating Fern is generally pest-free but can suffer from competition with algae and other aquatic plants. To manage algae, introduce fish species like tilapia or use barley straw as a natural algae suppressant.
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