bead fern


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Related to bead fern: sensitive fern
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Noun1.bead fern - beautiful spreading fern of eastern North America and eastern Asia naturalized in western Europebead fern - beautiful spreading fern of eastern North America and eastern Asia naturalized in western Europe; pinnately divided fronds show a slight tendency to fold when touched; pinnules enclose groups of sori in beadlike lobes
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
genus Onoclea, Onoclea - one species: sensitive fern; in some classifications included in Polypodiaceae