Any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori.
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Words linked to "Bladder fern" : fern, brittle fern, Cystopteris montana, berry fern, Cystopteris, fragile fern, Cystopteris bulbifera, bulblet fern, Cystopteris fragilis, genus Cystopteris |
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