Links to genera Ferns and Horsetails (Monilophytes) Clubmosses and Quillworts (Lycophytes)
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Onoclea | Terrestrial, medium-sized ferns. Rhizomes long, creeping. Leaves arising singly, dimorphic; sterile fronds pinnatisect to 1-pinnate, rhachis winged, pinnae lobed, veins netted; fertile fronds shorter, erect, brown, 2-pinnate; sori covered by rolled margins of pinnae.
One species in North America and Asia; introduced and naturalised in Britain.
* indicates introduced species.
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