hard shield-fern
- kingdom: Plantae
- phylum: Tracheophyta
- class: Polypodiopsida
- order: Polypodiales
- family: Dryopteridaceae
- genus: Polystichum
- species: Polystichum aculeatum
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Ofu
Manu'a
American Samoa -
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Braunau am Inn
Upper Austria
Austria -
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Antwerpen
Beersel
Bertem
Bierbeek
Bonheiden
Borsbeek
Edegem
Evergem
Gent
Halle
Hemiksem
Hoboken
Holsbeek
Hove
Huldenberg
Kapellen
Kontich
Ledeberg
Leuven
Linkebeek
Lubbeek
Mortsel
Niel
Nieuwerkerken
Oostende
Overpelt
Ronse
Rotselaar
Schelle
Sint-Genesius-Rode
Sint-Lievens-Houtem
Sint-Pieters-Voeren
Tielt
Wezembeek-Oppem
Flanders
Belgium -
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Olomouc
Olomoucký
Czech Republic -
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France
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Burghausen
Ering
Haiming
Kirchdorf am Inn
Bavaria
Germany -
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Heer
Sibbe
Valkenburg
Limburg
Netherlands -
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Rycerka Dolna
Sól
Silesia
Poland -
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Hörby
Skåne -
Bergshamra
Djursholm
Stockholm -
Göteborg
Västra Götaland
Sweden -
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United Kingdom
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Araya
Sucre
Venezuela -