Image to followAI-generated illustrationNajas marina
Najas marina subsp. marina
FamilyGenus: Najasnative in Germany
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Interactions
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About this species
Najas marina is a native submerged aquatic plant found in calcareous waters in Great Britain. It is a herbaceous, non-woody species with broad leaves that grows to about 0.5 m tall and produces small flowers from early summer to early autumn.
Ecological network
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Flower visit
Ecological significance
This species is a native component of aquatic plant communities and does not exhibit invasive tendencies.
Annual cycle
Flowering occurs from June to September.
Standort & Merkmale
Light
Halbschatten
Moisture
Feucht
Soil
Mittelzehrer (Normaler Boden)
Flowering period
Jun – Sep
Soil reaction
Basisch / Kalkhold
Bioregion
Continental
Growth form
Krautige Pflanze
Woodiness
Nicht verholzt
Leaf type
Breitblättrig
Plant height
0.5 m
Morphological traits: TRY ID3 (CC BY 3.0) & TRY ID81 (CC BY)
Pflege & Anbau
Cultivate in ponds or aquatic containers with calcareous, alkaline water. A nutrient-medium substrate and a semi-shaded position suit this plant best. Maintain consistently wet, submerged conditions and provide moderate warmth through the growing season.
Scientific profile
Najas marina is a herbaceous, non-woody aquatic plant that grows entirely submerged. It reaches a height of around 0.5 m and bears broad leaves with an average area of about 68 mm². The species has a diaspore mass of roughly 3.3 mg. Flowering takes place from June to September. It is native in Great Britain and typically occurs in calcareous, alkaline waters that are moist to wet. The plant is adapted to semi-shaded conditions, moderate nutrient levels and moderately warm temperatures.
Sources & data origin
•Interaktionsdaten via GloBI (CC-BY 4.0)
•FloraWeb / BfN
•EIVE 1.0 — Dengler et al. (2023), DOI: 10.3897/VCS.98324 (CC BY 4.0)
•GBIF Backbone Taxonomy — GBIF Secretariat (2024), DOI: 10.15468/39omei (CC BY 4.0)
•TRY Categorical Traits (ID3) — Kattge et al. (2012), DOI: 10.17871/TRY.3 (CC BY 3.0)
•TRY Global Spectrum (ID81) — Díaz et al. (2016/2021), DOI: 10.17871/TRY.81 (CC BY)
•Govaerts R et al. (2025) — World Checklist of Vascular Plants (WCVP) v14. Royal Botanic Gardens, Kew. DOI: 10.34885/xs7h-ze42 (CC BY 4.0)
All data is licensed under CC BY 4.0, CC0, or compatible terms. Attribution according to license conditions. Full source overview →