bladder_fern (HyperDic hyper-dictionary) (English)

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English 1 sense of the expression *bladder fern*:
NOUN	plant	bladder fern	any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori

Englishbladder fern: 1 sense noun 1, plant
Meaning	Any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori.
Member of	Cystopteris, genus Cystopteris	chiefly small perennial rock ferns
Narrower	brittle bladder fern, brittle fern, fragile fern, Cystopteris fragilis	Delicate fern widely distributed in North America and European having thin pinnatifid fronds with brittle stems
	bulblet fern, bulblet bladder fern, berry fern, Cystopteris bulbifera	North American fern often bearing bulbils on the leaflets
	mountain bladder fern, Cystopteris montana	fern of rocky mountainous areas of hemisphere
Broader	fern	Any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward

HyperDicEnglishBLAD ... bladder fern