Links to genera
Ferns and Horsetails (Monilophytes)
Clubmosses and Quillworts (Lycophytes)
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Ostrich Ferns
Terrestrial, clump-forming medium to large ferns. Rhizome short, often producing stolons from which new plants develop, leaves in tufts, dimorphic; sterile fronds pinnate-pinnatifid or almost 2-pinnate, veins free; fertile fronds much shorter than sterile ones, 1-pinnate, brown, leathery, rolled to enclose sori.
Three species in Europe, Asia and North America. One species, introduced and naturalised in Britain and Ireland
* indicates introduced species.
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