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Related to Polystichum aculeatum: Polystichum setiferum, Polypodium vulgare, Asplenium scolopendrium
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|Noun||1.||Polystichum aculeatum - tropical Old World fern having glossy fronds suggestive of holly; sometimes placed in genus Polystichum|
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
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