Notholaena marantae

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Habitus and growth type

  • Height [m]: 0.1–0.3
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  • Growth form: clonal herb
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  • Life form: hemicryptophyte
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Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
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  • Leaf arrangement (phyllotaxis): rosulate
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  • Leaf shape: compound – bipinnate
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  • Stipules: absent
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  • Petiole: present
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Flower

  • Flowering period [month]: July–September
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Fruit, seed and dispersal

  • Dispersal unit (diaspore): spore
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  • Dispersal strategy: Lycopodium (mainly anemochory)
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  • Myrmecochory: non-myrmecochorous (b)
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Trophic mode

  • Parasitism and mycoheterotrophy: autotrophic
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  • Carnivory: non-carnivorous
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  • Symbiotic nitrogen fixation: no nitrogen-fixing symbionts
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Karyology

  • Chromosome number (2n): 58
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  • Ploidy level (x): 2
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  • 2C genome size [Mbp]: 6842.46
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  • 1Cx monoploid genome size [Mbp]: 3421.23
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  • Genomic GC content: 46.1 %
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Taxon origin

  • Origin in the Czech Republic: native
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Ecological indicator values

  • Ellenberg-type indicator values

  • Light indicator value: 9 – full light plant, occurring only in fully irradiated places, not at less than 50% of diffuse radiation incident in an open area
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  • Temperature indicator value: 9 – extreme heat indicator, restricted to warmest sites in southern Central Europe
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  • Moisture indicator value: 1 – strong drought indicator, viable at sites that frequently dry out and confined to dry soils
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  • Reaction indicator value: 7 – indicator of slightly acidic to slightly basic conditions, never occurring in very acidic conditions
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  • Nutrient indicator value: 2 – transition between values 1 and 3
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  • Salinity indicator value: 0 – not salt tolerant, glycophyte
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Habitat and sociology

  • Occurrence in habitats

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  • 1 Vegetation of cliffs, screes and walls

  • 1B Siliceous cliffs and block fields: 2 – optimum
  • 8 Dry grasslands

  • 8A Hercynian dry grasslands on rock outcrops: 2 – optimum
  • 12 Forests

  • 12W Pine and larch plantations: 1 – rare occurrence
  • Affinity to the forest environment

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  • Affinity to the forest environment in Thermophyticum: 0 – taxon that does not spontaneously occur in Czech forests
  • Affinity to the forest environment in Mesophyticum and Oreophyticum: 0 – taxon that does not spontaneously occur in Czech forests
  • Diagnostic taxon

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  • Diagnostic taxon of alliances: SAB Asplenion cuneifolii
  • Diagnostic taxon of associations: SAB02 Notholaeno marantae-Sempervivetum hirti
  • Constant taxon

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  • Constant taxon of associations: SAB02 Notholaeno marantae-Sempervivetum hirti
  • Dominant taxon

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  • Dominant taxon of associations: SAB02 Notholaeno marantae-Sempervivetum hirti
  • Colonization ability

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  • Index of colonization success (ICS): 1

Distribution and frequency

  • Continentality degree: 5
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  • Distribution range extension along the continentality gradient: 4
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 3, 3
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  • Commonness in vegetation plots from the Czech Republic

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  • Occurrence frequency in vegetation plots: 0 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 66.7 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 44.4 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 11.1 %
  • Mean percentage cover in vegetation plots: 23.2 %
  • Maximum percentage cover in vegetation plots: 63 %
  • Number of habitats with taxon occurrence in the Czech Republic

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  • Number of narrow habitats in which the taxon occurs: 3
  • Number of narrow habitats in which the taxon has its optimum: 2
  • Number of broad habitats in which the taxon occurs: 3
  • Number of broad habitats in which the taxon has its optimum: 2

Threats and protection

  • Red List 2017 (national categories): C1r – critically threatened taxon, rare
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  • Red List 2017 (IUCN categories): EN – endangered
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  • Legal protection: critically threatened taxon
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