Species

Dryopteris expansa (C. Presl) Fraser-Jenk. & Jermy

Northern Buckler-Fern

Dryopteridaceae

Traits


    30&#8211;180&#8239;cm tall. <span class="v1">sporangia:</span> on the lower surface of the frond. <span class="v1">indusium:</span> inserted centrally, reniform. <span class="v1">petioles:</span> shorter than the lamina, <ba><b>with scales with dark central stripes, ...

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Distribution

Distribution in Europe


Dryopteris expansa

Legend

The colours represent the floristic status of the species in the respective region. Green indicates native occurrences, light green naturalized occurrences. Adventive occurrences are represented by light yellow shades and plants that are cultivated (but rarely occur in the wild) are dark yellow. Grey colours are used, if the floristic status of species is unknown or uncertain.


Distribution in Germany

Dryopteris expansa

Legend

Natural, established occurences
Artificial occurences

The color intensity reflects the species' abundance

Data: Floristische Kartierung Deutschlands (Stand 2013), Bundesamt für Naturschutz (www.floraweb.de)

Ecology

Dryopteris expansa

Dryopteris expansa

Status

  • native

Habitat

  • forests, shrubbery, screes, rocky habitats

  • in nutrient-poor, acid habitats

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