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Elodea canadensis

Canadian waterweed

°C
°dKH
Aquarium suitability: yes
Usage: Background, Midground
Difficulty: easy
Growth: fast
See also: Egeria densa , Elodea nuttallii

Common names: 
  • Canadian waterweed
  • American waterweed
  • Anacharis
  • Canadian pondweed

Synonyms: 
  • Anacharis canadensis (Michx.) Planch.

Habit, plant type:

  • stem
  • free-floating submerged plant
Botanical name [?]: Elódea canadénsis Michx.

Major group (unranked): Seed plants: Flowering plants (Angiosperms)
Order: Alismatales
Family: Hydrocharitaceae
Genus: Elodea

Description: 

American or Canadian waterweed, Elodea canadensis, is one of the oldest and most well-known aquarium plants, even though it is hardly ever found in aquaria today but is rather used as a pond plant. It became "famous" in Europe due to its extremely high reproduction rate in many waterbodies, after it was introduced from North America in the 19th century. Later on these populations declined sharply, and today, E. canadensis is only rarely found in nature, less frequently than Elodea nuttallii (Nuttall's waterweed), which has also been introduced from North America and is still spreading. Both species are hard to discern, and often E. nuttallii is mistakenly sold under the name "E. canadensis" as pond plant in trade.

- To be continued -

References and further reading:
  1. follows
Light medium to high 
Temperature tolerance 4 to 28 °C
Optimum temperature 10 to 25 °C
Carbonate hardness 2 to 21 °dKH
pH value 5 to 9 
Carbon dioxide (CO2) 5 to 40 mg/l
Nitrate (NO3-) 10 to 50 mg/l
Phosphate (PO43-) 0.1 to 3 mg/l
Potassium (K+) 5 to 30 mg/l
Iron (Fe) 0.01 to 0.5 mg/l

Growth: fast

Propagation: Fragmentation, Cuttings

Can grow emersed?: no

Suited for outdoor cultivation / ponds: yes

Winter hardiness: hardy in Germany

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TODO Elodea canadensis is also known as Canadian waterweed, American waterweed, Anacharis and Canadian pondweed. TODO

Wasserpflanzen sind ein fester Bestandteil der meisten Aquarien. Beim Aquascaping, dem Naturaquarium, Biotop-Aquarium oder dem Gesellschaftsaquarium sind Wasserpflanzen nicht nur für die Wasserqualität entscheidend, sondern sorgen auch stets für eine optische Aufwertung des Aquariums.