boulder fern


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Noun1.boulder fern - fern of eastern North America with pale green fronds and an aroma like hayboulder fern - fern of eastern North America with pale green fronds and an aroma like hay
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
Dennstaedtia, genus Dennstaedtia - chiefly terrestrial ferns; in some classification systems placed in family Polypodiaceae
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