bladder fern
(redirected from bladder ferns)Also found in: Dictionary.
Related to bladder ferns: Cystopteris bulbifera, Cystopteris fragilis, bulblet bladder fern, brittle bladder fern, Phegopteris connectilis
- noun
Words related to bladder fern
any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori
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