Hard fern
(Struthiopteris spicant)
Description
Blechnum on the cob is a tufted fern that starts from a scaly rhizome.�The�fronds�, lanceolate overall shape, have a size ranging from 15 to 50��cm
Taxonomic tree:
Domain:
Kingdom: Plantae
Phylum:
Class: Polypodiopsida
Order:Polypodiales
Family:Blechnaceae
Genus:Struthiopteris
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