bladder fern
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(noun) any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori |
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Related Words: Cystopteris bulbifera, Cystopteris fragilis, Cystopteris montana, berry fern, brittle bladder fern, brittle fern, bulblet bladder fern, bulblet fern, fern, fragile fern, mountain bladder fern |
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