marsh fern


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marsh fern

n
(Plants) a fern of marshy woodlands, Thelypteris palustris, having pale green pinnate leaves and an underground rootstock
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Noun1.marsh fern - fern having pinnatifid fronds and growing in wet placesmarsh fern - fern having pinnatifid fronds and growing in wet places; cosmopolitan in north temperate regions
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
genus Thelypteris, Thelypteris - marsh ferns: in some classification systems considered part of genus Dryopteris in family Dryopteridaceae
References in periodicals archive ?
Sterile fronds of sensitive fern average 60 cm in height and 30 cm or more at maximum breadth (Johnson, 1993), and those of marsh fern average 45 cm high x 10 cm at widest point (Smith, 1993).
in 2006 from both sensitive and marsh fern and reared them to eclosion.
012), an apparent consequence of eclosion occurring relatively earlier on sensitive fern than on marsh fern during the 2006 year (vs.