ten-day fern

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Noun1.ten-day fern - widely distributed fern of tropical southern hemisphere having leathery pinnatifid fronds
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
genus Rumohra, Rumohra - leatherleaf ferns: in some classifications included in genus Polystichum