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Vallisneria americana - Dwarf vallisneriaMagyarul / Hungarian
Vallisneria americana - Dwarf vallisneriaVallisneria americana - Dwarf vallisneria
  • Scientific name: Vallisneria americana
  • Synonym: Vallisneria spiralis var. americana; V. asiatica; V. neotropicalis; V gigantea
  • Common name: Dwarf vallisneria
  • Family: Hydrocarithaceae
  • Group: Aquarium plants
  • Max height: 80 cm
  • Distribution: North America
  • Habitat: Standing and fast-flowing water
  • Substrate: Sand
  • Placement in aquarium: Background
  • Planting density: 4-5 plants for 20 cm2
  • Lighting needs: Bright
  • Temperature: 20-26 °C
  • pH: 6,5-7,5
  • Hardness: 3-12 NK°
Description: Vallisneria americana is an often kept species which is commercially available in various growth forms which differ in leaf length and leaf width. When purchasing such large-growing specimens, one has to consider that the leaves will float on the water surface in too-low tanks, and will thus considerably reduce the amount of light. The plants are most comfortable in medium-hard to hard alkaline water with strong circulation. Since they develop a strong root network, they should be set in a sandy substrate with a minimum depth of 7 cm. In the midground or background of the smaller aquarium, this short vallisneria makes a good alternative to the larger Vallisneria species. The leaves are highly zwisted and will reach between 15-20 cm. It is undemanding and should grow well in most conditions if given sufficent lighting.
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