Species

Polystichum aculeatum (L.) Roth

Hard Shield-Fern

Dryopteridaceae

Taxonomy

Classification

Group: Pteridophytina (Ferns)
Family: Dryopteridaceae (Wood Fern family)
Genus: Polystichum (Holly-Fern)

Synonyms

Polystichum aculeatum
Aspidium aculeatum
Aspidium aculeatum subsp. lobatum
Aspidium lobatum
Dryopteris aculeata subsp. lobata
Dryopteris lobata
Dryopteris setifera subsp. lobata
Polypodium aculeatum
Polypodium lobatum
Polystichum aculeatum subsp. lobatum
Polystichum lobatum

Related species

Polystichum lonchitis (L.) Roth - Holly-Fern
Polystichum aculeatum (L.) Roth - Hard Shield-Fern
Polystichum setiferum (Forssk.) Woyn. - Soft Shield-Fern
Polystichum braunii (Spenn.) Fée - Braun's Hollyfern

Traits


    60&#8211;100&#8239;cm tall. <span class="v1">sporangia:</span> on the lower surface of the frond. <span class="v1">sori:</span> <b>occasionally almost touching each other</b>. <span class="v1">indusium:</span> inserted centrally, peltate, <ba>large</ba>, <ba><b>remai...

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Distribution

Distribution in Europe


Polystichum aculeatum

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

Polystichum aculeatum

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

Polystichum aculeatum

Polystichum aculeatum

Status

  • native

Habitat

  • forests, shrubbery

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