cystopteris : Idioms & Phrases
cystopteris bulbifera
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noun North American fern often bearing bulbils on the leaflets
bulblet fern; bulblet bladder fern; berry fern.
WordNet
cystopteris fragilis
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noun delicate fern widely distributed in North America and European having thin pinnatifid fronds with brittle stems
fragile fern; brittle fern; brittle bladder fern.
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cystopteris montana
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noun fern of rocky mountainous areas of hemisphere
mountain bladder fern.
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genus cystopteris
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noun chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae
Cystopteris.