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Blechnum spicant

Blechnum spicant, Photo: Michael Lahanas

Cladus: Eukaryota
Regnum: Plantae
Divisio: Pteridophyta
Subdivisio: Pterophyta
Classis: Pteridopsida
Ordo: Polypodiales
Familia: Blechnaceae
Genus: Blechnum
Species: Blechnum spicant

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Blechnum spicant is a species of fern known by the common names Deer fern or hard fern. It is native to Europe and western North America. Like some other Blechnum it has two types of leaves. The sterile leaves have flat, wavy-margined leaflets 5 to 8 millimeters wide, while the fertile leaves have much narrower leaflets, each with two thick rows of sori on the underside.

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Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License