Dryopteris filix-mas

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Habitus and growth type

  • Height [m]: 0.3–1.3
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  • Growth form: clonal herb
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  • Life form: hemicryptophyte
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  • Life strategy: CS – competitor/stress-tolerator
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  • Life strategy (Pierce method based on leaf traits): C/CR
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  • Life strategy (Pierce method, C-score): 70.9 %
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  • Life strategy (Pierce method, S-score): 7.9 %
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  • Life strategy (Pierce method, R-score): 21.3 %
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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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  • Leaf life span: summer green
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  • Leaf anatomy: mesomorphic
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Flower

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

  • Reproduction type: by seed/spores and vegetatively
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  • 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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Belowground organs and clonality

  • Shoot metamorphosis: rhizome
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  • Storage organ: rhizome
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  • Type of clonal growth organ: epigeogenous rhizome
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  • Freely dispersible organs of clonal growth: absent
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  • Primary root: absent
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  • Persistence of the clonal growth organ [year]: 4
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  • Number of clonal offspring: 0.5
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  • Lateral spreading distance by clonal growth [m]: 0.01
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  • Clonal index: 2
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  • Bud bank

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  • Number of buds per shoot at the soil surface (root buds excluded): 5
  • Number of buds per shoot at a depth of 0–10 cm (root buds excluded): 15
  • Number of buds per shoot at a depth greater than 10 cm (root buds excluded): 0
  • Size of the belowground bud bank (root buds excluded): 20
  • Depth of the belowground bud bank (root buds exluded) [cm]: 4
  • Number of buds per shoot at the soil surface (root buds included): 5
  • Number of buds per shoot at a depth of 0–10 cm (root buds included): 15
  • Number of buds per shoot at a depth greater than 10 cm (root buds included): 0
  • Size of the belowground bud bank (root buds included): 20
  • Depth of the belowground bud bank (root buds included) [cm]: 4

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): 164
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  • Ploidy level (x): 4
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  • 2C genome size [Mbp]: 27841.78
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  • 1Cx monoploid genome size [Mbp]: 6960.44
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  • Genomic GC content: 41.8 %
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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: 3 – shade plant, usually occurring where the incident radiation is less than 5% of that in an open area, but also at sunnier sites
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  • Temperature indicator value: 5 – moderate heat indicator, occurring from lowland to montane belt, mainly in submontane-temperate areas
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  • Moisture indicator value: 5 – indicator of fresh soils, focus on soils of average moisture, missing on wet and on soils that frequently dry out
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  • Reaction indicator value: 5 – indicator of moderate acidity, occurring rarely in strongly acidic as well as in neutral to alkaline conditions
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  • Nutrient indicator value: 6 – transition between values 5 and 7
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  • Salinity indicator value: 0 – not salt tolerant, glycophyte
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  • Indicator values for disturbance

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  • Whole-community disturbance frequency indicator value: -1.93
  • Herb layer disturbance frequency indicator value: -0.78
  • Whole-community disturbance severity indicator value: 0.26
  • Herb layer disturbance severity indicator value: 0.1
  • Whole-community structure based disturbance indicator value: 0.11
  • Herb layer structure-based disturbance indicator value: 0.18

Habitat and sociology

  • Occurrence in habitats

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  • 1 Vegetation of cliffs, screes and walls

  • 1A Calcareous cliffs: 1 – rare occurrence
  • 1B Siliceous cliffs and block fields: 2 – optimum
  • 1C Walls: 1 – rare occurrence
  • 1D Mobile calcareous screes: 1 – rare occurrence
  • 2 Alpine and subalpine grasslands

  • 2B Subalpine tall-forb and tall-grass vegetation: 2 – optimum
  • 4 Wetland and riverine herbaceous vegetation

  • 4D Riverine reed vegetation: 1 – rare occurrence
  • 4K Petasites fringes of montane brooks: 1 – rare occurrence
  • 5 Vegetation of springs and mires

  • 5A Hard-water springs with tufa formation: 1 – rare occurrence
  • 5B Lowland to montane soft-water springs: 1 – rare occurrence
  • 8 Dry grasslands

  • 8F Thermophilous forest fringe vegetation: 1 – rare occurrence
  • 11 Heathlands and scrub

  • 11A Dry lowland to subalpine heathlands: 1 – rare occurrence
  • 11D Subalpine acidophilous Pinus mugo scrub: 1 – rare occurrence
  • 11H Subalpine deciduous scrub: 1 – rare occurrence
  • 11I Willow carrs: 1 – rare occurrence
  • 11J Willow galleries of loamy and sandy river banks: 1 – rare occurrence
  • 11L Tall mesic and xeric shrub: 1 – rare occurrence
  • 11N Low xeric scrub: 1 – rare occurrence
  • 11R Scrub and pioneer woodland of forests clearings: 2 – optimum
  • 12 Forests

  • 12A Alder carrs: 1 – rare occurrence
  • 12B Alluvial forests: 2 – optimum
  • 12C Oak-hornbeam forests: 2 – optimum
  • 12D Ravine forests: 2 – optimum
  • 12E Herb-rich beech forests: 2 – optimum
  • 12F Limestone beech forests: 1 – rare occurrence
  • 12G Acidophilous beech forests: 2 – optimum
  • 12H Peri-Alpidic basiphilous thermophilous oak forests: 1 – rare occurrence
  • 12I Sub-continental thermophilous oak forests: 1 – rare occurrence
  • 12J Acidophilous thermophilous oak forests: 1 – rare occurrence
  • 12K Acidophilous oak forests: 1 – rare occurrence
  • 12L Boreo-continental pine forests: 1 – rare occurrence
  • 12O Peri-Alpidic pine forests: 1 – rare occurrence
  • 12R Acidophilous spruce forests: 1 – rare occurrence
  • 12S Basiphilous spruce forests: 1 – rare occurrence
  • 12T Robinia pseudacacia plantations: 1 – rare occurrence
  • 12U Plantations of broad-leaved non-native trees: 1 – rare occurrence
  • 12V Spruce plantations: 2 – optimum
  • 12W Pine and larch plantations: 1 – rare occurrence
  • 13 Anthropogenic vegetation

  • 13E Perennial nitrophilous herbaceous vegetation of mesic sites: 1 – rare occurrence
  • 13F Herbaceous vegetation of forests clearings and Rubus scrub: 2 – optimum
  • Affinity to the forest environment

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  • Affinity to the forest environment in Thermophyticum: 1.1 – taxon occurring mainly in the closed forest
  • Affinity to the forest environment in Mesophyticum and Oreophyticum: 1.1 – taxon occurring mainly in the closed forest
  • Diagnostic taxon

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  • Constant taxon

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  • Dominant taxon

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  • Ecological specialization indices

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  • Ecological specialization index for all vegetation types: 5.3
  • Ecological specialization index for non-forest vegetation: 3.9
  • Ecological specialization index for forest vegetation: 5.4
  • Colonization ability

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  • Index of colonization success (ICS): 7
  • Index of colonization potential (ICP): 6
  • Optimum successional age [years]: 35

Distribution and frequency

  • Floristic zone: boreal, northern temperate, southern temperate, submeridional, meridional, subtropical, tropical, austral or antarctic
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  • Floristic region: circumpolar
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  • Distribution range extension along the continentality gradient: 5
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  • Elevational belt in the Czech Republic: colline belt, submontane belt, montane belt, subalpine belt (lowlands)
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 648, 2221
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  • Commonness in vegetation plots from the Czech Republic

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  • Occurrence frequency in vegetation plots: 5.3 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 14.7 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 4.1 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 0.9 %
  • Mean percentage cover in vegetation plots: 4.9 %
  • Maximum percentage cover in vegetation plots: 88 %
  • Number of habitats with taxon occurrence in the Czech Republic

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  • Number of narrow habitats in which the taxon occurs: 39
  • Number of narrow habitats in which the taxon has its optimum: 10
  • Number of broad habitats in which the taxon occurs: 8
  • Number of broad habitats in which the taxon has its optimum: 5

Threats and protection

  • Red List 2017 (national categories): taxon is not on the Red List
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  • Red List 2017 (IUCN categories): LC(NA) – least concern (taxon is not on the Red List)
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  • Legal protection: not protected by law
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